The human body is a complex system, which needs a variety of nutrients. At present, there are more than 40 kinds of essential nutrients for human body. Unfortunately, no food can provide all the nutrients needed by human body perfectly (except the breast milk of infants under 6 months old), so we must eat all kinds of foods and get different nutrients from different foods, such as getting high-quality protein from lean meat of livestock and getting carbohydrates from grains.

This is the problem of vegetarianism. Due to the lack of animal food in the diet, vegetarians are likely to lack nutrients rich in animal food but little or no in plant food, such as iron, vitamin B 12 and vitamin D. Therefore, vegetarianism is likely to lead to anemia, hyperhomocysteinemia, rickets and osteoporosis.

Eating vegetarian dishes instead of meat dishes will lead to protein deficiency and affect gastrointestinal absorption. If you don't eat meat dishes for a long time, you can't get enough fat-soluble vitamins (vitamin A, vitamin D, vitamin E, etc. ). Insoluble in water but generally soluble in animal fat), it will lead to the decline of human immunity and dry and rough skin.

Meat dishes can provide high-quality protein that vegetarians can't. Meat mainly refers to animal foods such as eggs, meat and fish. Although meat dishes contain a certain amount of saturated fatty acids and cholesterol, proper consumption is beneficial to human body. Meat dishes with high nutritional value are the main sources of high-quality protein, lipids, fat-soluble vitamins, B vitamins and minerals such as calcium, iron and zinc. Vegetables are mainly rich in vitamins, minerals, dietary fiber and other nutrients, which can not fully meet the needs of the human body.

Is it healthy to eat vegetarian food for a long time?

1. If you are a vegetarian for a long time and don't pay attention to nutrition, it is easy to be short of iron, protein and vitamins, which will undoubtedly lead to nutritional imbalance.

2. Vegetarian food contains incomplete nutrition. If you always eat vegetarian food instead of meat, it will lead to malnutrition, decreased muscle strength and easy to fall and fracture.

3. Long-term vegetarianism will aggravate anemia and osteoporosis, reduce the body's resistance and make it difficult to resist diseases.

For our health, we should have reasonable nutrition and a balanced diet, neither malnutrition nor overnutrition. We should eat meat and vegetables to keep healthy.