"Although the brain only accounts for 2% of human body weight, it needs to absorb nearly 20% of energy, and red meat can provide enough energy." At the same time, red meat can provide human beings with a DHA substance that plays a vital role in brain development.

2. resist colds.

Meat contains a lot of iron and zinc, which is indispensable for building a healthy immune system. In addition, red meat also provides rich vitamin D and vitamin A, which can help the body effectively fight against germs.

3. Relieve fatigue.

Meat is the best source of dietary iron, which can help provide hemoglobin needed by human body. According to the British National Diet and Nutrition Survey, more than 50% girls in Britain do not get enough dietary iron, which leads to problems such as fatigue, inattention and developmental retardation. Dr Elizabeth Lund, a nutrition consultant at the British Institute of Gastrointestinal Health and Food, believes that "iron in red meat is more easily absorbed by people than iron in vegetables or other supplements".

4, help to increase muscles.

Meat is rich in protein, and protein is an important substance for building and repairing human muscles. Creatine in red meat is an important component of muscle, which can provide enough energy for muscle growth.

Extended data:

The disadvantages of not eating meat

1, decreased immunity.

Although both meat and plant foods are rich in protein, protein in meat is more easily absorbed and utilized by human body. If the intake of protein is insufficient, it will lead to decreased immunity and memory.

2, endocrine disorders.

Fat is the raw material for human hormone secretion. If you don't eat meat for a long time, the food is too greasy, which may lead to insufficient fat intake, which in turn affects hormone secretion, causes problems such as irregular menstruation and infertility in women, and accelerates human aging.

3. Iron deficiency anemia

. The iron contained in meat is heme iron, which is easily absorbed and utilized by human body and is an important source of iron for human body. The absorption rate of iron in vegetables is only 1%, but it can reach 10%~25% in meat. Not eating meat is easy to cause iron deficiency anemia.

4. The skin becomes rough.

Meat food is also an important dietary source of vitamin B and fat-soluble vitamins such as vitamin A and vitamin D. If you don't eat meat for a long time, these vitamins also have the risk of insufficient intake, which may lead to problems such as dry and rough skin, osteoporosis and decreased immunity.

5. Stone.

For people who don't eat meat, the diet is generally based on plant food, and usually contains oxalic acid, which is easy to combine with calcium in the body to form stones.

References:

Eating meat has four advantages. How to eat meat without getting fat-People's Network