The ancient Japanese book "Training of Health Preservation" says, "A lifetime is the best for a hundred years." It means that people can live up to 100 years old, and over 60 years old means longevity. Different from the18th century in the written world, the life span of human beings has been greatly improved in today's era. According to the latest statistics of Japanese Ministry of Health and Welfare (1999), there are 1 1346 people over 100 years old in China.
One of the background conditions for longevity is diet, especially to ensure the intake of protein. Cardiovascular and cerebrovascular diseases are usually caused by the decrease of the strength of blood vessel walls, and one of protein's functions is to construct blood vessels and other tissues and organs. In addition, it also helps to improve immune function. However, in the past, it was generally believed that when people get old, they should eat more light vegetables in their diet. Recently, this idea has been opposed by more and more people. Since we have entered the healthy middle-aged and elderly people, we should avoid the misunderstanding of low protein and supplement protein with meat.
With regard to the relationship between life expectancy and protein (especially protein), the Tokyo Institute for the Aged has conducted a survey on the elderly over 100 100. Judging from their diet structure, the proportion of animal protein in protein is 59.6% for men and 57.6% for women, while the national average is only 48.7%. It can be seen from one side that eating enough animal protein can obviously improve the probability of longevity. The "200 1 Civil Air Defense Plan for the Elderly" put forward by the institute clarified the relationship between protein intake and living ability of the elderly. For example, a survey was made on how much mental work such as leisure and writing was affected by diet, and 650 people over 65 were followed up for two years. The results show that the incidence of low living ability of people who often eat meat, dairy products and oily food is 0.78, and they are used to eating vegetables and oily food. It can be seen that the incidence of brain activity attenuation and life ability decline of the elderly who often eat meat is relatively low.
As far as the relationship between the frequency of eating meat and low brain activity is concerned, the incidence of low brain activity in people who don't eat meat at all is 1.0, and the incidence of low brain activity in people who eat meat once a day or twice is 0.56 or 0.55, respectively, which is nearly double before and after. In order to maintain the living ability of the elderly, the intake of protein is essential. However, the benefits of eating meat cannot be overemphasized. It is important to master a balanced diet between meat and vegetables.
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Fats and Vitamins Some fat-soluble vitamins A, D and E must be dissolved in fatty foods before they can be absorbed and utilized by the human body. If you don't eat fat, you will lack these vitamins. Lack of vitamin A can cause dry and rough skin. Scales increase, hair turns yellow, nails are uneven, cornea softens, and night blindness. Vitamin E deficiency will affect the normal development of reproductive system and cause sebaceous gland atrophy and premature aging. Lack of vitamin D can lead to osteomalacia and fracture easily.
Fat and intelligence: About 60% of human cells are protein, about 30% are fat, and the fat in brain cells is as high as 60-65%. This shows that fat is an important substance for brain work, and efficient thinking activities need to consume a lot of fat. Scientific research has found that people who don't eat fat are also declining in intelligence, which shows that fat really supports brain power.
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Some experts pointed out that eating red meat can not only enhance immunity, but also a special fat contained in red meat has a weight loss effect!
"Less meat and more vegetables" and "High fiber and less fat" have become the guidelines for healthy eating today. Many people even give up eating red meat, but some experts have expressed great opposition to it. Earlier, Professor Kabida, Director-General of the British Nutrition Foundation, pointed out that not eating red meat would make the body more vulnerable to bacterial infection. Moreover, meat contains a variety of nutrients necessary for the human body, such as iron for blood and vitamin D for bones, which is absolutely indispensable.
In addition, scientists in the United States and Norway recently pointed out that red meat, cheese and dairy products contain a natural fat called compound linoleic acid (CLA), which can improve the ratio of fat to muscle and help control weight. In addition, the research results also show that compound linoleic acid has the effects of preventing cancer, controlling asthma and diabetes, enhancing immunity and slowing down arteriosclerosis, which is of great benefit to human body.