According to China.org, people who don't eat meat are prone to anemia, infertility and premature aging. First of all, lean animal meat and blood, liver is a good source of iron, animal food iron utilization rate of up to 30%, plant food not only contains less iron, utilization rate is only about 5%, long-term vegetarians are extremely prone to iron deficiency, which leads to iron deficiency anemia.
Secondly, animal food is an important source of high-quality protein, and refusing to eat meat will result in insufficient intake of animal protein. Protein is the constituent material of the human body's vital substances. If you lack protein, your muscles will sag, your breasts will droop, your skin will lose its elasticity, your hair will be withered, your eyes will be dull, and a variety of your body's metabolic responses will be reduced.
At the same time, the metabolism of proteins, carbohydrates, and fats in the human body will be out of balance, and problems such as decreased immunity, memory loss, indigestion, and rapid aging will ensue.
Expanded Information
The vegan movement was officially born in 1809 in Manchester, England. At the time, a number of members of the Bible Christian Church joined together to take a vow of abstinence from alcohol and meat, and in 1847, this monastic group broke away from the church and formed the Vegetarian Society. The Vegetarian Society then grew to over 2,000 members in the early 1980s.In 1889 there were an estimated 52 vegetarian restaurants in Britain, 34 of which were in London.
In 1889 Gandhi became a member of the London Vegetarian Society. During the same period, the vegetarian movement took off in other Western countries. Vegetarian societies were formed in the United States in 1850, in Germany in 1867, and in France in 1899.
The International Vegetarian Federation was founded in Northern Ireland in 1908, the American Vegetarian Federation in 1949, and the Strictly Vegetarian Society of the United States in 1960, all of which were admitted as affiliates of the International Vegetarian Federation.
People's Daily Online - "Vegetarianism" diet has skills Long-term vegetarianism beware of premature aging
Baidu Encyclopedia - Vegetarianism