Low immunity always sick? Six major diets can improve immunity, long-term adherence can also prolong life

The level of human immunity is closely related to the way of eating three meals a day. In order to be competent for intense work, young and middle-aged people should pay more attention to the rationality of diet, so as to achieve the purpose of enhancing immunity, maintaining health and preventing diseases.

Food is fresh and authentic

Whether it is food crops, vegetables, fruits, and aquatic products, once harvested, picked or caught, they should be made into food as soon as possible, and eaten fresh to preserve the original flavor of the food as much as possible.

Light taste, control salt intake

It is recommended that the daily salt intake should be reduced to less than 6 grams. Salt is one of the essential substances in our body. However, excessive intake of salt can increase the concentration of salt in the blood. At this time, in order to restore the original normal blood concentration, the blood vessels forcefully absorb the water outside the blood vessels into the blood vessels, which causes a large increase in the blood volume in the blood vessels, and the blood volume discharged from the heart also greatly increases. The increase, so the body's blood pressure will rise.

Excessive salt intake for a long time will cause frequent damage to the stomach wall, and repeated repair of the stomach wall after damage will increase the possibility of canceration. At the same time, the damaged gastric mucosa is the most suitable environment for Helicobacter pylori to live in, and Helicobacter pylori is one of the main causes of gastric ulcer and gastric cancer. In addition, excessive intake of salt may also cause the imbalance of trace elements inside and outside the cell, in which case not only gastric cancer but also other types of cancer may be caused.

Eat less meat

Young and middle-aged people are usually busy with work, which consumes a lot of mental and physical energy, and is also under great mental pressure. The balance of the autonomic nervous system is easily affected, and the immunity will also decline. Therefore, it is necessary to supplement some meat foods rich in animal protein. .

Chinese medicine believes that pork, beef, chicken and other foods belong to the "flesh and blood", which means that these high-fat, high-protein foods can nourish qi, nourish blood, replenish essence and nourish the scorpion, and not only help the growth and development of young people, healthy It is also essential for the health of middle-aged and elderly people to strengthen the brain and body.

However, the intake of these meat foods must be well controlled, and vegetables and fruits should be consumed as much as possible in the daily diet. Nutritionists suggest that for middle-aged and elderly people, the best ratio of vegetables to meat dishes is 8:2. Because through research, it is found that vegetables and fruits contain active ingredients other than general nutrients - new phytochemicals. Although its content in each vegetable or each fruit is very small, it has antioxidant effects, which can greatly improve human immunity, prevent cancer and fight cancer, which is of great benefit to maintaining human health.

Variety of varieties, reasonable matching ratio

Japan holds a nationwide intelligence test for adolescents every year, and each time a group of students with high IQ and good grades emerge. After each intelligence test, the media reporters had to interview these high-IQ students to understand their living habits, and it was found that their parents put a lot of effort into their daily diet. Of course, this does not mean that children are given delicacies from the mountains and seas every day, but to scientifically adjust the daily menu, pay attention to the diversification of food varieties, and carry out reasonable matching.

Not enough to eat, chew slowly

Through years of scientific experiments, it has been confirmed that preventing overeating can maintain the "rejuvenating hormone" in the body from disappearing. The study found that healthy elderly people over 100 years old have a common feature, that is, their weight has not changed much compared with those in their 20s. After further understanding, it was found that they did not have the habit of overeating.

The "secrets" of the centenarians' health and longevity have a lot in common. One of them is that they can control their food intake, and they can chew slowly when eating, and chew each meal 20 to 30 times.

The advantage of chewing slowly is that the food is fully mixed with the saliva and digestive enzymes in the mouth, providing more complete digestion, reducing the burden on the stomach, and the nutrients are more easily absorbed; at the same time, because the food is dissolved in the saliva, it can reduce cancer. Toxicity of substances and food additives. In addition, in the process of chewing and swallowing slowly, when you eat 2/3 of the amount in the past, the stomach has a feeling of fullness, and you can stop eating at this time. Therefore, chewing and eating slowly is a good way to control food intake and be healthy.