What effect does long-term vegetarian diet have on psychology?

1. Insufficient intake of protein: Meat is an important source of high-quality protein, and protein plays an important role in the brain, which can help us maintain emotional stability and mental health. If you don't eat meat for a long time, protein intake may be insufficient, which will affect brain function and lead to depression.

2. Vitamin B 12 deficiency: Vitamin B 12 mainly exists in animal foods, and long-term non-eating meat may lead to the deficiency of this nutrient. Vitamin B 12 deficiency can lead to nervous system problems, including psychological problems, such as anxiety and depression.

3. Insufficient iron intake: Not eating meat for a long time may lead to insufficient iron intake, so that the body cannot produce enough hemoglobin, which may lead to anemia. Anemia can lead to fatigue, listlessness and other psychological problems.

Second, psychological factors.

1. Social isolation: If you don't eat meat for a long time, you will easily feel out of touch with the surrounding social environment, leading to social isolation. Social isolation is one of the common factors leading to depression.

2. Self-labeling: Some vegetarians regard their dietary decisions as the embodiment of their identity, value and morality, and discriminate and criticize non-vegetarians and meat eaters. This self-labeling may lead to negative emotions and emotions, such as self-denial, anxiety and depression.

3. Other lifestyle factors: People who don't eat meat for a long time may have some radical lifestyles, such as refusing vaccination and not taking drugs, which may lead to other health problems, thus causing depression.

Third, behavioral factors.

1. Bad sleep habits: Good sleep is very important for maintaining mental health. People who don't eat meat for a long time may not get enough sleep and nutrition, which may damage their sleep health.

2. Lack of exercise: Exercise contributes to emotional relaxation and stress release, while people who don't eat meat for a long time lack the nutrition needed for muscle repair, which may reduce their exercise ability and lead to lack of exercise behavior.