Two Brands of Chicken Nuggets Were Recalled This Week

Fans of oddly shaped chunks of delicious chicken should probably check their fridges and freezers. Two popular brands recalled chicken nugget products this week—and one of those brands also recalled nuggets earlier this month.

Tyson Foods Inc. announced a recall of more than 36,000 pounds of frozen nuggets on Tuesday due to the possible presence of rubber, according to an alert from the U.S. Department of Agriculture’s Food Safety and Inspection Service (FSIS).

That’s not all: Perdue Foods, LLC, recalled a batch of refrigerated chicken nuggets (dinosaur shaped, we are sad to report) on Monday due to incorrect branding and an undeclared allergen (the products contain milk, but that’s missing from the label), according to another release from the FSIS. This is the second Perdue nugget recall recently; the company recalled some gluten-free chicken nugget products two weeks ago due to the possible presence of wood in them.

The Tyson issue was discovered after consumer complaints, as was the Perdue issue with wood. The more recent Perdue recall was spurred when a retail location notified the company of an incorrect labeling issue.

The products affected by both recalls include:

  • 5-lb. plastic packages of “Tyson WHITE MEAT PANKO CHICKEN NUGGETS” with a “BEST IF USED BY” date of “NOV 26 2019,” case code “3308SDL03,” and time stamps 23:00 through 01:59 (inclusive)
  • 12-oz. packages of “PERDUE Fun Shapes Chicken Breast Nuggets” with a “USE BY” date of “MAR 11 2019” and lot codes 17009010 – 19009010
  • 22-oz. plastic bag packages of frozen “PERDUE SimplySmart ORGANICS BREADED CHICKEN BREAST NUGGETS GLUTEN FREE” with a “Best By: Date 10/25/19” and UPC Bar Code “72745-80656” represented on the label

Thankfully, there haven’t been any confirmed reports of illnesses or adverse events associated with any of the recalls. But if you happen to have purchased any of the recalled products, you should not eat them. Instead, the FSIS advises you to discard them or return them to where you bought them.

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Layered cocktails inspire new form of male birth control

For decades, women have shouldered most of the burden of contraception. However, long-term use of female birth control pills could increase the risk for side effects such as blood clots or breast cancer. Now, inspired by colorful layered cocktails, researchers have developed a medium-term, reversible male contraceptive. They report their results in the journal ACS Nano.

Common forms of male contraception are either short-term (condoms) or long-term (vasectomy). However, condoms can fail, and vasectomies, while effective, are not often reversible. Xiaolei Wang and colleagues wanted to devise a medium-term, reversible form of male contraception. They drew inspiration from cocktails, such as the Galaxy, that bartenders make by layering colorful liquids in a glass. If the beverage is stirred or heated, the layers combine into a uniform liquid. Wang and colleagues wondered if they could use a similar approach to inject layers of materials to block the vas deferens, the duct that conveys sperm from the testicle to the urethra. Applying heat would cause the layers to mix, breaking them down and “unplugging the pipeline.”

The team tested their approach in male rats. They sequentially injected four layers of materials into the vas deferens: a hydrogel that forms a physical barrier to sperm; gold nanoparticles, which heat up when irradiated with near-infrared light; ethylenediaminetetraacetic acid (EDTA), a chemical that breaks down the hydrogel and also kills sperm; and finally, another layer of gold nanoparticles. The injected materials kept the rats from impregnating females for more than 2 months. However, when the researchers shone a near-infrared lamp on the rats for a few minutes, the layers mixed and dissolved, allowing the animals to produce offspring. The researchers say that while this pilot experiment is promising, more research is needed to verify the safety of the materials.

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13 Mistakes You’re Making When Using an Eyelash Curler

When I was 15 and rummaging through my mother’s vanity, I found an odd-looking contraption that turned out to be an eyelash curler. I immediately starting using it to make my eyelashes pop. Fast forward a decade later and I use an eyelash curler regularly, but I’m not at all sure that I’m using it properly. How long am I supposed to squeeze my lashes for? Do I use it before or after applying mascara? Does it make a difference if I spend $10 or $25 on one? Is it OK to use one everyday—or have I been inadvertently damaging my lashes all this time?

Despite their scary appearance, eyelash curlers aren’t dangerous—but they do need to be used the correct way so you don’t accidentally pull out lashes or pinch your eyelid (ouch!). I spoke with makeup artists Andrew Colvin and Carly Giglio to get the low-down on all the mistakes you could possibly make with an eyelash curler, and how to stop doing them.

1. You’re not making eyelash curling one of your first steps.
Experts like to curl lashes before makeup, as part of skin-care prep. This will help to open up the eyes and also to see the eye shape a bit better. Besides, Colvin says, “If you’ve done a perfect undereye concealer or perfect liner, you wouldn’t want to risk smudging it with the lash tool.”

2. You’re not using a good quality curler.
If you plan on curling your eyelashes, you want to be using the best tools possible. Stay away from curlers that have a slippery grip, as they can get caught on your eyelashes and pull them out. The Surratt Beauty Relevée Lash Curler, $30, is the MVP for both our experts. It has a matte finish, which Colvin says gives a better grip than curlers with a smooth finish. Giglio likes this eyelash curler because “it seems to fit the curve of the lash line perfectly while giving a smooth curl.” It can grab the width of the entire lash line, she explains, whereas some others are more curved and they don’t reach as many lashes. If you’re looking for a slightly more budget-friendly option, another eyelash curler that our experts recommend is Kevyn Aucoin’s The Eyelash Curler, $21.

3. You’re not holding the eyelash curler correctly.
Place your thumb and index fingers in the designated grip holes, then open the curler wide enough for your top lashes to fit in between the rubber cushion and metal top, Giglio says. Get as close to your eyelash roots as you possibly can without touching the skin. Tightly squeeze and close the curler onto lashes.

4. You’re not using proper technique.
Colvin recommends pumping your curler four to eight times at the root, then pumping up along the lashes to reach the tips for a final curl. “This gives a ‘curve’ and less of a ‘crimp’ that pumping the lashes [a number of times] in the same spot would result in,” he says. In other words, a crimp would result in the eyelashes getting bent into an L-shape, rather than a gentle curve. How long should you hold the curler on your lashes? Giglio recommends clamping down and holding tight for about five seconds.

5. You’re applying too much force.
Slow and steady is the name of the game. Squeeze the curler gently instead of pulling your lashes outwards or crimping, says Colvin. If you have a good lash curler, you don’t need to apply a lot of force. Squeezing too vigorously can break off lashes or pull them out.

6. You’re not heating your eyelash curler.
Heating your eyelash curler will help lock in the curl. You can add heat to your eyelash curler prior to curling by holding a blow dryer close to it for a few seconds. Of course, be sure to blow on the metal curler before applying to lashes to avoid burning yourself! This trick also works if you have coarse lashes that won’t curl easily. Another option is to use a heated eyelash curler. Colvin likes the Lash Star Heated Lash Styler, $24, a ceramic rod which he says is great for styling coarse lashes.

7. You’re applying mascara before curling your eyelashes.
Experts say this is probably one of the most common mistakes you can make when using an eyelash curler. Instead of giving yourself more volume or lift, mascara can make lashes sticky and possibly get pulled out by the curler, Giglio explains. Applying mascara after curling can also help hold the lashes in place, and a good curling and volumizing mascara will help maximize your curl. She swears by Stila’s HUGE Extreme Lash Mascara, $23, which has a lightweight formula that won’t weigh the shape down created by the eyelash curler.

8. You’re forgetting to curl those hard-to-reach eyelashes.
Some eyelashes will be harder to reach with an eyelash curler than others. Instead of trying to squeeze them all at once, Colvin recommends using also a mini lash curler for getting those hard-to-reach lashes on the corners. He likes MAC’s Half Lash Curler, $22 and Giglio is a fan of the Lash Star Individual Lash Curler, $24, which she uses for those tricky lashes that don’t fit into the grip of the regular curler. “I mainly use these on the lashes towards the inner corner and outer corner of the eye,” she says.

9. You’re using a dirty eyelash curler.
All makeup tools need to be cleaned regularly, so not cleaning your eyelash curler is a big no-no. Using one coated in dried, crusted mascara can result in damaged lashes or styes, Colvin says. He recommends cleaning the rubber cushion and metal once every two months with a makeup wipe. For a deeper clean, you can wash it with dish soap and set out to dry overnight.

10. You’re using an old rubber or silicone insert.
Replace the rubber cushion on your eyelash curler once it starts to wear down, which tends to happen about every three months depending on how often you use it, Giglio says. Using a dried out, crusty insert won’t give you the best possible curl. Pro tip: Swap out rubber inserts for silicone ones, which Colvin says last longer. He recommends silicone inserts from brands like Surratt, Kevyn Aucoin, Shiseido, and MAC.

11. You’re applying fake strip lashes before curling your eyelashes.
Put your fake lashes on after you’ve done your curling and you won’t have to worry about the pressure indenting your falsies. However, if you have semi-permanent lash extensions, Colvin recommends staying away from your eyelash curler entirely, as you won’t get the same degree of curve. “The [extensions] get indented a lot more under the pressure of the curler than the natural lash hairs,” he says. “This leaves you with two different rows of lashes.” Probably not the look you’re going for!

12. You’re curling your eyelashes right after a lash lift or keratin treatment.
A lash lift is like a perm for your eyelashes, and they create an upward shape that you’d get from a really good mechanical curler. Lash lifts should last six to eight weeks, Giglio says, but notes the duration will depend on your individual lashes. “These treatments are good for people who can’t use a curler because their eyelashes are too short or straight,” she explains. However, if you’re able to use an eyelash curler and want to do so following a lash lift, wait until “you start to see the curls not be as heavy as they first were,” which may be the “last one or two weeks of the treatment,” she says.

The same caution applies to keratin treatments for eyelashes, also known as keratin lash lifts. “A keratin lash lift also lifts and curls, but it is more long-wearing and makes your eyelashes even fuller (think of it like a keratin treatment for your hair),” explains Giglio. Keratin lash lifts should last for eight to 12 weeks. You should only use your eyelash curler towards the end of the treatment, and be gentle, pumping your lashes with care.

13. You’re worried that using your eyelash curler everyday will cause your eyelashes to fall out.
As long as you’re using a clean curler and curling instead of crimping, experts say it’s totally safe to use your eyelash curler every single day.

Want healthier eating habits? Start with a workout

In the latest evidence that it’s worth sticking to your health-focused New Year’s resolutions, researchers at the University of Texas at Austin have found that exercising regularly is linked to better eating habits.

The new study, published this week in the International Journal of Obesity, looked at 2,680 young adults who were not exercising regularly or dieting. Scientists found that after exercising for several weeks, formerly sedentary study participants were more likely to choose foods like lean meats, fruits and vegetables, while preferences for fried foods, sodas and other unhealthy options decreased.

Participants were instructed not to change their diets in any significant way, but it happened anyway. Although this study did not examine the mechanism at work behind the changes, previous research has found that moderate exercise can reduce a preference for high-fat foods in animals through changes in dopamine levels. Several studies also have shown a relationship between the intensity of exercise and the amount of appetite-regulating hormones in the body.

“The process of becoming physically active can influence dietary behavior,” said Molly Bray, corresponding author of the paper and chair of the Nutritional Sciences department at UT Austin and a pediatrics faculty member at Dell Medical School. “One of the reasons that we need to promote exercise is for the healthy habits it can create in other areas. That combination is very powerful.”

Bray says what drives food-preference changes when people exercise would probably be consistent across a wide span of ages. The study examined people between the ages of 18 and 35, a period of young adulthood critical for forming healthy habits. Previous studies have found that considerable weight gain occurs during the college years and that being mildly to moderately overweight at age 20-22 increases the risk of obesity later in life.

“Many people in the study didn’t know they had this active, healthy person inside them,” Bray said. “Some of them thought their size was inevitable. For many of these young people, they are choosing what to eat and when to exercise for the first time in their lives.”

The participants in the study were students at the University of Houston and the University of Alabama at Birmingham. Participants who said they exercised less than 30 minutes a week at the beginning of the study started 30-minute aerobic workouts three times a week for 15 weeks, with instructions not to change their diet in any significant way. The exercise sessions consisted of 30 minutes of aerobic exercise at 65-85 percent of the person’s age- and gender-specific maximum heart rate, along with a 5-minute warmup and a 5-minute cool down. Participants wore heart-rate monitors and could choose from a variety of exercise types, such as on stationary bikes, treadmills or elliptical machines.

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New study shows how vegans, vegetarians and omnivores feel about eating insects

Many non-vegan vegetarians and omnivores are open to including insects in their diet. For vegans, however, that is not an option, a new study from the University of Eastern Finland shows.

Consumption of foods of insect origin is encouraged as a response to the environmental impact of meat production. Foods made from insects have a relatively low ecological footprint, and due to their high nutrition content, they can be a sustainable supplement to our existing sources of protein.

In Western countries, insects aren’t traditionally regarded as food, and consumers’ willingness to eat foods of insect origin is weak. However, the likelihood of accepting insects as food tends to increase with consumers’ awareness of the environmental impact of food production.

Researchers at the University of Eastern Finland and the University of Helsinki examined consumers’ intentions to consume foods of insect origin among vegans, non-vegan vegetarians and omnivores. They examined the attitude, subjective norm, perceived behavioural control and food neophobia toward the consumption of foods of insect origin, as well as the conditions for eating insect-based foods among these dietary groups. Altogether 567 people participated in the study by filling out an online survey. Out of the respondents, 73% were omnivores, 22% were non-vegan vegetarians and 5% were vegans.

Vegans held the most rigid negative attitude toward consuming foods of insect origin, and their subjective norm to eat insects was weaker compared to that of omnivores and non-vegan vegetarians. Vegans’ perceived behavioural control over their eating of insects was stronger compared to that of omnivores and non-vegan vegetarians. Furthermore, vegans were significantly more determined than others that they would not eat foods of insect origin, even if they were nutritious, safe, affordable, and convenient. Vegans’ weak intention, negative attitude, and low willingness to eat insects in the future exhibit their different dietarian identity compared to that of omnivores and non-vegan vegetarians.

Non-vegan vegetarians, on the other hand, held the most positive attitude toward eating insects, and both non-vegan vegetarians and omnivores thought that insect consumption is wise and offers a solution to the world’s nutrition problems. By contrast, vegans thought that insect consumption is irresponsible and morally wrong.

“This is something we expected: we expected there to be differences between these three groups, and we expected vegans to have the most negative attitude towards eating insects. Vegans see insects as living beings, just like any other animals. It was also highlighted in the vegans’ survey responses that eating insects in the West doesn’t solve the world’s shortage of food, especially when edible food goes to waste all the time,” Professor Anna-Liisa Elorinne from the University of Eastern Finland says.

However, the findings can’t be generalised to all people representing the studied dietary categories. The researchers used convenience sampling, which has probably created a selection bias in terms of a more positive attitude toward insect consumption among the respondents compared to that of the population in general. Furthermore, the respondents were mostly women, highly educated, and city dwellers, a demographic profile known to impact food choice.

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Babies who hear two languages at home develop advantages in attention

The advantages of growing up in a bilingual home can start as early as six months of age, according to new research led by York University’s Faculty of Health. In the study, infants who are exposed to more than one language show better attentional control than infants who are exposed to only one language. This means that exposure to bilingual environments should be considered a significant factor in the early development of attention in infancy, the researchers say, and could set the stage for lifelong cognitive benefits.

The research was conducted by Ellen Bialystok, Distinguished Research Professor of Psychology and Walter Gordon Research Chair of Lifespan Cognitive Development at York University and Scott Adler, associate professor in York’s Department of Psychology and the Centre for Vision Research, along with lead author Kyle J. Comishen, a former Master’s student in their lab. It will be published January 30, 2019 in Developmental Science.

The researchers conducted two separate studies in which infants’ eye movements were measured to assess attention and learning. Half of the infants who were studied were being raised in monolingual environments while others were being raised in environments in which they heard two languages spoken approximately half of the time each. The infants were shown images as they lay in a crib equipped with a camera and screen, and their eye movements were tracked and recorded as they watched pictures appear above them, in different areas of the screen. The tracking was conducted 60 times for each infant.

“By studying infants — a population that does not yet speak any language — we discovered that the real difference between monolingual and bilingual individuals later in life is not in the language itself, but rather, in the attention system used to focus on language,” says Bialystok, co-senior author of the study. “This study tells us that from the very earliest stage of development, the networks that are the basis for developing attention are forming differently in infants who are being raised in a bilingual environment. Why is that important? It’s because attention is the basis for all cognition.”

In the first study, the infants saw one of two images in the centre of the screen followed by another image appearing on either the left or right side of the screen. The babies learned to expect that if, for example, a pink and white image appears in the centre of the screen, it would be followed by an attractive target image on the left; If a blue and yellow image appeared in the centre, then the target would appear on the right. All the infants could learn these rules.

In the second study, which began in the same way, researchers switched the rule halfway through the experiment. When they tracked the babies’ eye movements, they found that infants who were exposed to a bilingual environment were better at learning the new rule and at anticipating where the target image would appear. This is difficult because they needed to learn a new association and replace a successful response with a new contrasting one.

“Infants only know which way to look if they can discriminate between the two pictures that appear in the centre,” said Adler, co-senior author of the study. “They will eventually anticipate the picture appearing on the right, for example, by making an eye movement even before that picture appears on the right. What we found was that the infants who were raised in bilingual environments were able to do this better after the rule is switched than those raised in a monolingual environment.”

Anything that comes through the brain’s processing system interacts with this attentional mechanism, says Adler. Therefore, language as well as visual information can influence the development of the attentional system.

Researchers say the experience of attending to a complex environment in which infants simultaneously process and contrast two languages may account for why infants raised in bilingual environments have greater attentional control than those raised in monolingual environments.

In previous research, bilingual children and adults outperformed monolinguals on some cognitive tasks that require them to switch responses or deal with conflict. The reason for those differences were thought to follow from the ongoing need for bilinguals to select which language to speak. This new study pushes back the explanation to a time before individuals are actively using languages and switching between them.

“What is so ground-breaking about these results, is that they look at infants who are not bilingual yet and who are only hearing the bilingual environment. This is what’s having the impact on cognitive performance,” says Adler.

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Food Allergy Vs. Food Intolerance: What’s the Difference?

What’s the difference between a food intolerance and a food allergy?

Answer From James T C Li, M.D., Ph.D.

Physical reactions to certain foods are common, but most are caused by a food intolerance rather than a food allergy. A food intolerance can cause some of the same signs and symptoms as a food allergy, so people often confuse the two.

A true food allergy causes an immune system reaction that affects numerous organs in the body. It can cause a range of symptoms. In some cases, an allergic food reaction can be severe or life-threatening. In contrast, food intolerance symptoms are generally less serious and often limited to digestive problems.

If you have a food intolerance, you may be able to eat small amounts of the offending food without trouble. You may also be able to prevent a reaction. For example, if you have lactose intolerance, you may be able to drink lactose-free milk or take lactase enzyme pills (Lactaid) to aid digestion.

Causes of food intolerance include:

  • Absence of an enzyme needed to fully digest a food. Lactose intolerance is a common example.
  • Irritable bowel syndrome. This chronic condition can cause cramping, constipation, and diarrhea.
  • Sensitivity to food additives. For example, sulfites used to preserve dried fruit, canned goods, and wine can trigger asthma attacks in sensitive people.
  • Recurring stress or psychological factors. Sometimes the mere thought of a food may make you sick. The reason is not fully understood.
  • Celiac disease. Celiac disease has some features of a true food allergy because it involves the immune system. However, symptoms are mostly gastrointestinal, and people with celiac disease are not at risk of anaphylaxis. This chronic digestive condition is triggered by eating gluten, a protein found in wheat and other grains.

If you have a reaction after eating a particular food, see your doctor to determine whether you have a food intolerance or a food allergy.

If you have a food allergy, you may be at risk of a life-threatening allergic reaction (anaphylaxis)—even if past reactions have been mild. Learn how to recognize a severe allergic reaction and know what to do if one occurs. You may need to carry an emergency epinephrine shot (Adrenaclick, Auvi-Q, EpiPen) for emergency self-treatment.

If you have a food intolerance, your doctor may recommend steps to aid digestion of certain foods or to treat the underlying condition causing your reaction.

Updated: 2017-06-03

Publication Date: 2017-06-03

Your body image is impacted by those around you

Spending time with people who are not preoccupied with their bodies can improve your own eating habits and body image, according to researchers from the University of Waterloo.

In a new study, researchers examined how social interactions influence body image. They found that in addition to the previous findings that being around people preoccupied with their body image was detrimental, that spending time with people who were non-body focused had a positive impact.

“Our research suggests that social context has a meaningful impact on how we feel about our bodies in general and on a given day,” said Kathryn Miller, PhD candidate in clinical psychology at Waterloo. “Specifically, when others around us are not focused on their body it can be helpful to our own body image.”

Miller conducted this study with Allison Kelly, a psychology professor in clinical psychology at Waterloo and former Waterloo undergraduate Elizabeth Stephen.

In the study, researchers asked 92 female undergraduate students aged 17 to 25 to complete a daily diary over seven consecutive days and reflected on their interactions with body focused and non-body focused people.

The study measured participants’ frequency of daily interactions with body focused and non-body focused others, their degree of body appreciation, meaning how much one values their body regardless of its size or shape, and body satisfaction, and whether they ate intuitively in alignment with their hunger and cravings rather than fixating on their dietary and weight goals.

“Body dissatisfaction is ubiquitous and can take a huge toll on our mood, self-esteem, relationships, and even the activities we pursue,” said Kelly. “It’s important to realize that the people we spend time with actually influence our body image. If we are able to spend more time with people who are not preoccupied with their bodies, we can actually feel much better about our own bodies.”

The researchers also found that spending more time with non-body focused individuals may be advantageous in protecting against disordered eating and promoting more intuitive eating.

“If more women try to focus less on their weight/shape, there may be a ripple effect shifting societal norms for women’s body image in a positive direction,” said Miller. “It’s also important for women to know that they have an opportunity to positively impact those around them through how they relate to their own bodies.”

The study appears in Body Image, an International Journal of Research.

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Vitamin D could lower the risk of developing diabetes

The benefits of vitamin D in promoting bone health are already well known. A new study out of Brazil suggests that vitamin D also may promote greater insulin sensitivity, thus lowering glucose levels and the risk of developing type 2 diabetes. Results are published online today in Menopause, the journal of The North American Menopause Society (NAMS).

Other recent studies have shown a clear relationship between vitamin D and glycemic control, suggesting that vitamin D increases insulin sensitivity and improves pancreatic beta-cell function. In this cross-sectional study involving 680 Brazilian women aged 35 to 74 years, the goal was to evaluate the possible association between vitamin D deficiency and increased glycemia.

Of the women interviewed, 24 (3.5%) reported using vitamin D supplements. Vitamin D supplementation was found to be negatively associated with high glucose levels. Habitual exposure to the sun also provided the same association, demonstrating that vitamin D deficiencies are associated with high blood glucose levels.

Study results appear in the article “Higher serum levels of vitamin D are associated with lower blood glucose levels.”

“Although a causal relationship has not been proven, low levels of vitamin D may play a significant role in type 2 diabetes mellitus,” says Dr. JoAnn Pinkerton, NAMS executive director. “Vitamin D supplementation may help improve blood sugar control, but intervention studies are still needed.”

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Collective nostalgia makes people prefer domestic products

Nostalgia for events experienced by members of your own group can make you prefer domestic products over foreign ones, concludes the first systematic investigation into the effects of collective nostalgia on consumer decisions. The results could help countries bolster domestic industries without resorting to hard interventions, such as tariffs or international trade re-negotiations.

Personal nostalgia, a longing for one’s personal past, has long been used by companies to sell products. Less is known, however, about how collective nostalgia influences consumer choices. Collective nostalgia is the sentimental longing for a group with which a person identifies. For example, when thinking about themselves as being American, many Americans will bring to mind iconic past events, such as the first moon landing, the Olympic Games in Los Angeles, or the election of the first black U.S. president. Collective nostalgia is a group-level emotion that heightens social connectedness and strengthens collective self-esteem.

Marika Dimitriadou, a lecturer in marketing at the Athens Metropolitan College, Boris Maciejovsky, an associate professor of management at the University of California, Riverside, and Tim Wildschut and Constantine Sedikides, professors of social and personality psychology at the University of Southampton, thought that collective nostalgia would increase consumer preference for domestically manufactured products.

In a series of experiments conducted in Greece, the researchers assigned volunteers to one of three groups. The first group was given a short writing assignment intended to evoke nostalgia for events that they shared with fellow Greeks. Another group was presented with scenarios and experiences that would have been common during childhood for their generation and intended to spark collective nostalgia. The third group was a control, assigned a task that was not expected to evoke any particular sort of nostalgia.

All participants were then asked to state a preference for particular Greek or foreign pop songs or TV shows. Volunteers in the groups that experienced collective nostalgia preferred Greek pop songs or TV shows across all the experiments. Whenever they thought fondly about times they had shared with their fellow Greeks the volunteers preferred domestic products. Participants in the control group preferred foreign songs and shows.

The magnitude of collective nostalgia’s effect on domestic preference was large and consistent. The researchers believe that collective nostalgia boosted participants’ feeling that their national ingroup is a worthwhile entity, or collective self-esteem, which subsequently elevated domestic country preference.

The findings suggest that organizations and marketers could harness collective nostalgia to reach consumers and influence their decisions.

Collective nostalgia could be evoked in large and abstract groups, even when the members of these groups have never met. Organizations and marketers can use iconic events in a group’s shared history to evoke collective nostalgia in broad swathes of their target audience and, by so doing, shape their product preferences.

“We think that collective nostalgia can be leveraged in domains that are extensions of the self, such as clothes, cars, or experiences, getting people to choose domestic over foreign products,” said Maciejovsky. “This could be more effective than hard interventions, like tariffs or trade re-negotiations.”

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