Vegetarians More Likely To Be Depressed Than Meat-Eaters – Here’s the Science Behind It

According to a new study, meat eaters are less likely to be depressed compared to vegetarians.

according to a new studyvegetarians have about twice as many depressive episodes as meat eaters.

The study, published in the Journal of affective disorders, is based on survey data from Brazil. dreams with prior investigation which found higher rates of depression among non-meat eaters. However, the new study indicates that this link exists regardless of nutritional intake.

According to a Gallup poll, about 5% of the American population considers itself a vegetarian. Women are 50% more likely to be vegetarian than men. People who consider themselves liberal are much more likely to be vegetarian than conservatives or moderates.

It may seem easy to look at an association between a diet and specific health problems and assume that the former is causing the latter through some form of nutritional deficiency.

However, the new analysis took into account a wide range of nutritional factors, including total calorie intake, protein intake, micronutrient intake and the level of food processing. This suggests that the higher rates of depression among vegetarians are not caused by the nutritional content of their diet.

So what might explain the link between vegetarianism and depression? Is there some non-nutritional mechanism that causes the former to cause the latter? Or is the relationship due to something else entirely?

sad vegetables

There are multiple possible reasons why there is a link between vegetarianism and depression.

First of all, it is possible that being depressed causes people to become vegetarian and not the other way around. the symptoms of depression it can include rumination about negative thoughts as well as feelings of guilt.

Assuming that depressed and non-depressed people are equally likely to encounter the unsettling truth of slaughterhouses and factory farms, it’s possible that depressed people are more likely to reflect on those thoughts and more likely to feel guilty about their part in doing so. creating demand. .

The depressed vegetarian, in this case, is not necessarily wrong to think this way. Although depression is sometimes characterized by unrealistic negative perceptions, there is evidence to suggest that people with mild to moderate depression have more realistic judgments about the outcome of uncertain events and more realistic perceptions of their own roles and abilities.

In this case, there really cruel treatment of animals in meat production. And this really is caused by consumer demand for cheap meat.

pig farm

Sometimes, in factory farms, animals are really treated cruelly.

Second, adhering to a vegetarian diet may cause depression for reasons other than nutrition. Even if no “happy nutrient” is missing from a vegetarian diet, it could be the case that giving up meat causes depression by other means.

For example, adopting a vegetarian diet can affect relationships with others and participation in social activities. In fact, it is sometimes associated with teasing or other forms of social ostracism.

In particular, the new study is based on survey data collected in Brazil, a country famous for its diet rich in meat. Some survey data have pointed to a strong increase in vegetarianism in Brazil in recent yearsgoing from 8% in 2012 to 16% in 2018. However, the recent study surveyed more than 14,000 Brazilians and found only 82 vegetarians, just over half a percent.

One has to wonder if the same link between vegetarianism and depression would be seen in India or in other countries where vegetarianism is more of a social norm. More importantly, like the UK vegetarianism rises and other developed countries, will we see the relationship disappear over time?

Finally, it is possible that neither vegetarianism nor depression cause each other, but both are associated with some third factor. This could be any number of characteristics or experiences associated with both vegetarianism and depression.

For example, women are more likely than men to be vegetarian, and also more likely to experience depression. However, the Brazilian study took gender into account and ruled out this third variable in particular.

not examined

One variable that was not examined, but is plausibly related to both vegetarianism and depression, is exposure to violent images from the meat industry. Preventing cruelty to animals is the most commonly cited reason vegetarians tend to avoid meat.

documentaries like Domain Y earthlings depicting cruelty in the meat industry cannot easily be described as feel-good movies. One can easily imagine that a person who consumes this type of media would become a vegetarian and, especially when most people choose to look the other way, become depressed.

There are several possible reasons for the link between vegetarianism and depression. This new study suggests that vegetarian nutrition is not the cause of depression.

Instead, vegetarian social experience may contribute to depression, depression may cause a higher likelihood of becoming a vegetarian, or both vegetarianism and depression may be caused by a third variable, such as exposure to violent industry images meat.

Written by Chris Bryant, Honorary Research Associate, Department of Psychology, University of Bath.

This article was first published in The conversation.The conversation

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