Text | Lime Toutiao Certified Health Qualification丨Focus on health, pay attention to health preservation, pay attention to what the world science says!
In the huge cell kingdom of the human immune system , CD4+ T cells are often regarded as helper T cells, and their role is not obvious or even often ignored.
and The and Keio University research team conducted a detailed blood analysis in a study of ultra-long-lived elderly people over 110 years old, and found that these elderly people carried more CD4+T cells, several times the average of the average person. scientists deduced from this that CD4+ T cells may be the key to whether humans can resist aging and prolong lifespan, and more CD4+ T cells may mean longer lifespan. The study was published in the " Proceedings of the National Academy of Sciences ", which caused an uproar for a while.
researcher Hashimoto Kosuke of the Life Medical Sciences Research Center of the Institute of RIKEN said: "We didn't know the immune cells of 110-year-olds before. I hope this study will clarify the role of immune cells in prolonging human lifespan. "
CD4+T cell function:
CD4 cell , is T lymphocyte expressing CD4 antigen, its main function is to assist CD8-positive T lymphocyte and participate in the body's cellular immune response. To put it simply, the main function of CD4 cells is to assist CD8 cells in eliminating abnormal cells in the human body that are infected by microorganisms such as virus , bacteria , etc., to protect the body and avoid the spread of infection. In addition, CD4 cells can also assist B lymphocytes to participate in humoral immunity .
Adult CD4 cells are 500-1600 cells per ml.
So, how can we increase the number of CD4+ T cells in the body?
1, selenium supplement
According to a phase III clinical trial in the United States, selenium supplementation can reduce HIV viral load and increase CD4 cell count. selenium is an essential trace element of synthesized by lymphocytes in the human body, and the decrease of selenium content leads to the decrease of CD4+ T cell base.
Not only that, selenium is also the antioxidant of the human body, which is beneficial to the human body to remove excess free radicals in the body, delay the aging of the human body, and also enhance the human body's immunity and improve the body's disease resistance. How does
supplement selenium elements? Selenium is a special nutrient that cannot be co-operated by the human body and can only be ingested externally. At present, there are only two ways to supplement selenium and with .
(1) Food supplements, foods with many selenium elements
The utilization rate of organic selenium is high, up to more than 70%. Foods with many selenium elements include: seaweed , broccoli, mushrooms , various beans and tofu , etc. beef kidney , pig kidney , chicken liver , duck liver , lamb , pork , perch , small shrimp, hairtail , papaya , garlic, apple , spinach , Chinese cabbage, radish , etc.
(2) Choose appropriate dietary supplements
2, massage thymus gland
The thymus is the human body's hematopoietic organ that produces lymphocytes, which are transported to the lymph nodes and spleen. Thymus plays a crucial role in human immune function .70-80% of the lymphocytes in the blood are T lymphocytes, or T cells for short. They were originally tiny white cells grown in the bone marrow that were sent to the thymus by the blood, cultivated by thymic hormones to become mature T cells, and then sent to To the spleen lymphatic system and other organs, ready to resist all kinds of enemies harmful to the human body. Thymus hormone can also improve the killing ability of lymphocytes.
Thymus massage method:
(1) The location of the thymus: 4 horizontal fingers below the clavicle on the front of the body.
(2) Press with two or three fingernails (you can also press with the belly of your fingers), don't press too hard, as long as you feel oppressed.
(3) Press a few times and rest for a few seconds, a total of 200 presses a day (you can also rub your hands hot and rub them up and down the thymus 200 times).
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