Russia (bbabo.net), - A complete rejection of beef can lead to manifestations of protein deficiency and a decrease in regeneration processes. There will be an increase in intoxication, a deterioration in the function of the liver and pancreas, as well as the activation of the processes of premature aging.

As Natalya Denisova, PhD in Medicine, told aif.ru, insufficient intake of complete protein rich in amino acids can lead to loss of muscle mass and a decrease in bone density.

Protein deficiency also leads to disturbances in the work of the cardiovascular, musculoskeletal and genitourinary systems, reduces the body's resistance to infections, and increases the risk of developing cancer.

Meat protein is absorbed in the body by about 90 percent, while vegetable proteins - only 60-80 percent. It is especially important to emphasize that meat is the only food source of vitamin B12. Although red meat can sometimes be substituted for chicken or fish, one should be aware that this is an inferior substitute.

The doctor recommends that older people eat beef 2-3 times a week and preferably with a vegetable side dish. It is better to eat meat in a boiled form, and you should not use the broth, since during cooking purine bases pass into the broth, increasing the risk of developing gout.

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