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Vegetarians are slimmer and less extroverted than meat eaters

Vegetarian food contains dietary fibres and has a positive effect on the microbiome in the intestine. This is another reason why they could fill you up earlier than those made from animal ingredients.

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According to a survey by the Allensbach Institute, more than 6.1 million Germans stated last year that they were vegetarians, 400,000 more than two years earlier. A large-scale study at the Max Planck Institute for Human Cognitive and Brain Sciences (MPI CBS) in cooperation with the University Hospital of Leipzig has now examined in almost 9,000 people how this form of nutrition is related to the body and the psyche – regardless of age, gender and level of education.

It was found that the rarer the proportion of animal food in a person’s diet, the lower their body mass index (BMI) on average and thus their body weight. One reason for this could be the lower proportion of heavily processed foods in the plant diet.

“Products that are excessively rich in fat and sugar are particularly fattening. They stimulate the appetite and delay the feeling of satiety. If you avoid animal foods, you consume fewer such products on average,” explains Evelyn Medawar, first author of the underlying publication, which has now been published in the journal Nutrients.

In addition: Vegetarian food contains dietary fibres and has a positive effect on the microbiome in the intestine. This is another reason why they could fill you up earlier than those made from animal ingredients.

“People who eat predominantly vegetable foods may therefore absorb less energy,” Medawar adds.

In addition to a changed feeling of satiety, lifestyle factors such as more sport and greater health awareness could also play a decisive role.

For the BMI it also seems to make a difference which animal products a person feeds on. If it is predominantly so-called primary animal products, i.e. meat, sausage and fish, the person usually has a higher BMI than someone who eats primarily secondary animal products, i.e. eggs, milk, dairy products, cheese and butter. In the former case the correlation is statistically significant.

Medawar uses an example to illustrate what this could mean for nutrition: “A person with a 1.2 point lower BMI on average either completely avoids certain animal products, such as the primary ones, and is on a vegetarian diet. Or she continues to eat meat and fish, but less often. Whether nutrition is ultimately the cause of lower body weight or whether other factors are responsible for it cannot be determined from the data. A follow-up study in cooperation with the University Hospital Leipzig will now shed light on this.

The researchers also found out that vegetarian or vegan nutrition is also related to personality. Especially with one of the five major personality factors, extroversion. It was shown that people with predominantly plant-based foods on their diet are more introverted than those who mainly fed on animal products.

“It is difficult to say what the reason for this is,” says Veronica Witte. “It could be because more introverted people tend to have more restrictive eating habits or because they are more socially segregated because of their eating habits.” Here, again, further studies should follow on how people identify with the characteristics of their diet.

However, they could not confirm that a plant-based diet is associated with a tendency towards neurotic behaviour, as other studies suggested. “Earlier analyses had found that more neurotic people were generally more likely to avoid certain groups of foods and to behave more restrictively. We focused here solely on the avoidance of animal products and could not observe any correlation,” explains study leader Veronica Witte.

In a third part, they finally concentrated on the question of whether a predominantly plant-based diet is more often associated with depressive moods. Here previous studies had also suggested a relationship between the two factors.

“We could not detect this correlation,” says Witte. “It is possible that in previous analyses other factors had blurred the results, including the BMI or conspicuous personality traits that are known to be associated with depression. We accounted for them,” said Witte explaining a possible reason for the different results. In addition, the plant-based diet is now more common and more accepted and not anymore restricted to a certain group.

The scientists had investigated these connections within the so-called LIFE project, a broad-based study in cooperation with the University Hospital of Leipzig. They determined the personal diets by means of questionnaires in which the participants were asked to fill in how often they had eaten the individual animal products in the last 12 months – from “several times a day” to “never”.

The personality traits such as extroversion and neuroticism were assessed by means of a so-called personality inventory (NEOFFI), while depression was assessed by means of the so-called CESD test, a questionnaire that records various symptoms of depression.

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How to help children build a growth mindset

Consider these three tips to help children build a growth mindset.

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A new year is a perfect time to consider the habits you want to keep and the ones you’d like to develop. One resolution to consider is helping your children develop a growth mindset this year.

“We know one of the greatest boosts to parents’ confidence over the past year came from knowing their children’s whole selves are being nurtured, and we want to see that trend continue,” said Carter Peters from KinderCare Learning Center’s education team. “A growth mindset helps children try new things despite fear of failure. It’s the kind of thinking that allows inventors and creative thinkers to get excited about trying something new and ensures they have the cognitive flexibility and problem-solving skills to work through hurdles.”

Adults can often easily spot when children are engaged in creative thinking and prideful of their work, but that confidence may be lost as failures turn into insecurities. By nurturing a growth mindset and showing children they can learn and develop new skills in any area, it better sets them up for long-term success.

Consider these three tips to help children build a growth mindset:

Photo by Markus Spiske from Unsplash.com

1. Praise effort

It’s easy to fall into the habit of praising successes. However, praising effort encourages children to try new things without the fear of failing. It also teaches children personal growth and achievement are possible, even if their overall effort wasn’t a success.

“Young children often get excited to try something new,” Peters said. “By praising effort and showing children they’ll still be loved and valued despite the outcome, you can reframe how they approach challenges and teach them that difficult doesn’t mean impossible.”

2. Encourage the process

People often withhold praise until there’s a result, which leads children to hurriedly scribble a picture to hold up for a “good job” instead of taking time to focus on their efforts. When children know adults will encourage them during the process, instead of only upon the achievement, they’re more likely to try new things or master a new skill. For example, try providing encouragement such as, “I can see you’re focused on drawing that tree. It looks so lifelike because you’re putting so much thought into what you’re doing.” Once their project is finished, continue the encouragement by hanging up their artwork or school projects in a prominent place.

3. Model a growth mindset

You can model a growth mindset for children by narrating your actions when you are facing a challenge: “I am having a difficult time putting this shelf together, but it’s OK. I’ll take a break then read the instructions again.” Remove negative words from your vocabulary, such as “I can’t” or “I’m stupid.” Even when you are joking, children may not be able to tell the difference. You can also ask your children to join you in problem-solving. Take time to hear their ideas and try them even if you think they won’t work. This not only supports the development of their growth mindset, but the quality time and encouragement reinforces their sense of self-worth and builds confidence.

For more tips to help children develop a growth mindset, visit kindercare.com.

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Signs of a Healthy Marriage

Although there are many different ways to define a healthy marriage, these three qualities are essential for any lasting and fulfilling relationship.

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A healthy marriage is built on trust, respect, and communication. Couples with these qualities in their relationship tend to be more satisfied with their marriage and overall life. They also report feeling closer to their partner and having stronger well-being. With 2.3 out of every 1000 people in the US experiencing divorce in 2022, it is important to frequently check in on the health of your marriage.

Although there are many different ways to define a healthy marriage, these three qualities are essential for any lasting and fulfilling relationship.

Signs of a Healthy Marriage

A healthy marriage is built on trust, communication, and mutual respect. If you and your partner can effectively communicate and share a mutual level of respect, then your relationship is off to a good start. Trust is also important in a healthy marriage, as it allows you and your partner to feel secure in your relationship and rely on each other.

Many other signs can indicate whether or not a marriage is healthy. For example, couples who can spend quality time together and enjoy shared activities usually do well. Couples who can openly discuss their relationship with each other and work through difficulties together are also more likely to have a happy and healthy marriage. Finally, marriages, where both partners feel like they can be themselves without judgment from their spouse tend to be the strongest and most lasting.

Freedom to be yourself

In a healthy marriage, partners feel free to be themselves. They don’t have to put on a facade or pretend to be someone they’re not. They can be open and honest with each other and feel comfortable sharing their thoughts, feelings, and desires.

Both partners should pursue their interests and hobbies without compromising or sacrificing for the sake of the relationship. There’s no need to agree on everything – in fact, it’s healthy to have some separate interests – but overall, both partners should feel like they’re able to be true to themselves within the relationship.

Lots of good communication

In a healthy marriage, partners can communicate effectively. It means expressing needs and wants and listening and responding to what the other person is saying. There are mutual respect’s opinions, even if there are disagreements. Couples in a healthy marriage feel comfortable communicating with each other about both the good and the bad.

Good sex life

A good sex life can be a major sign of a healthy marriage. A lack of sexual activity can be an early warning sign that something is wrong in the relationship. Often, couples who have a good sex life are more connected emotionally and physically. They are also more likely to trust each other and communicate openly.

Trust in each other

In any relationship, trust is essential. Without trust, there is no foundation for the relationship to grow. In a marriage, trust is even more important. Trusting your spouse means you feel confident in their ability to support you emotionally and financially. It also means that you feel safe sharing your innermost thoughts and feelings with them.

When you trust your spouse, you know they have your best interests. You feel comfortable being yourselves around each other and sharing your hopes, dreams, and fears. Openness and honesty in your relationship allow you to be vulnerable with each other. This vulnerable honesty creates a deeper level of intimacy in your marriage.

When you trust each other, you can be more forgiving when mistakes are made. You know that everyone makes mistakes and that nobody is perfect. You also understand that your spouse is human and capable of making mistakes like anyone else. If they make a mistake, you are more likely to forgive them because you know they are sorry and will try not to make the same mistake again.

Trust is one of the most important foundations of a healthy marriage. If you want your marriage to thrive, build trust in each other.

A successful, strong marriage takes work, but with communication, trust, respect, vulnerability, and affection as its core components, you can together create a partnership that will be long-lasting.

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Obesity linked to macular degeneration

Immune cells are also activated when the body is exposed to stressors such as excess fat in obesity, making being overweight the number one non-genetic risk factor for developing AMD, after smoking.

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A Canadian study published in the prestigious journal Science elucidates a new molecular mechanism that may cause age-related macular degeneration (AMD).

The research at Hôpital Maisonneuve-Rosement, in Montreal, shows how life stressors such as obesity reprogram immune system cells and make them destructive to the eye as it ages.

“We wanted to know why some people with a genetic predisposition develop AMD while others are spared,” said Université de Montréal ophtalmology professor Przemyslaw (Mike) Sapieha, who led the study by his postdoctoral fellow Dr. Masayuki Hata.

“Although considerable effort has been invested in understanding the genes responsible for AMD, variations and mutations in susceptibility genes only increase the risk of developing the disease, but do not cause it,” Sapieha explained.

“This observation suggests that we must gain a better understanding of how other factors such as environment and lifestyle contribute to disease development.”

AMD is a major cause of irreversible blindness worldwide and affected approximately 196 million people in 2020. It comes in two forms:

  • dry AMD, characterized by the accumulation of fatty deposits at the back of the eye and the death of nerve cells in the eye,
  • and wet AMD, which is characterized by diseased blood vessels that develop in the most sensitive part of the sight-generating tissue, called the macula.

Contact with pathogens

It is already known that the immune system in the eye of a person with AMD becomes dysregulated and aggressive. Normally, immune cells keep the eye healthy, but contact with pathogens such as bacteria and viruses can make them go awry.

At the same time, immune cells are also activated when the body is exposed to stressors such as excess fat in obesity, making being overweight the number one non-genetic risk factor for developing AMD, after smoking.

In their study, Sapieha and Hata used obesity as a model to accelerate and exaggerate the stressors experienced by the body throughout life.

They found that transient obesity or a history of obesity leads to persistent changes in the DNA architecture within immune cells, making them more susceptible to producing inflammatory molecules.

“Our findings provide important information about the biology of the immune cells that cause AMD and will allow for the development of more tailored treatments in the future,” said Hata, now an ophthalmology professor at Kyoto University, in Japan.

The researchers hope their discovery will lead other scientists to broaden their interest beyond obesity-related diseases to other diseases characterized by increased neuroinflammation, including Alzheimer’s disease and multiple sclerosis.

About this study

“Past history of obesity triggers persistent epigenetic changes in innate immunity and exacerbates neuroinflammation,” by Mike Sapieha and Masayuki Hata, was published in Science.

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