At present, the latest research by scientists shows that the secret of permanent youthful appearance lies in awakening "sleep state stem cells" in the skin.
Fountain of Youth: Scientists say that activating skin stem cells during sleep will resist the aging of human skin and keep people looking youthful forever.
A computer model experiment found that as humans age, we will lose the ability to cause these "universal cells" to regenerate damaged skin. British and American scientists say this innovative research will help to develop better cosmetic treatments and keep people young and looking.
Scientists conducted a complex virtual simulation experiment, testing the three most acceptable hypothetical theories to verify how human skin regenerates in 3 years. Dr. Li Xinshan said: "The best interpretation theory is that the skin has a certain number of 'sleeping stem cells', which are located in the shallowest layer of the skin and do not divide frequently to form new cells."
However, if the skin is damaged, these sleep cells will be awakened to repair the damaged part of the skin. If the number of other more mature skin cells continues to decrease, the skin tissue will continue to regenerate under any circumstances. Stem cells are the "universal cells" of the human body, and it will potentially become many different types of cells.
Dr. Li Xinshan said that every time we wake up these cells to treat wounds or supplement other cells, a large number of stem cells cannot return to sleep mode, so the number of such cells gradually declines. This will explain why old people's skin wounds heal slowly, and to some extent, as we age, the skin will also change. By better understanding this mechanism, it is possible to find effective ways to resist the aging of human skin.
New skin is constantly growing throughout the life of a person, and aging skin tissue is shed at the same time. Until now, scientists have not reached a consensus to explain the operation principle.
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