The biggest enemy for women is aging, so understanding the shelf life of each organ is also very helpful for women’s maintenance, the following is to introduce you to the shelf life of each organ is how long. The shelf life of the skin is 25 years 25 years is a woman a hurdle, there is a woman’s maintenance, basically to 25 years old as the starting point of the topic. As the rate of collagen production slows down, the skin starts to age naturally around the age of 25 and various skin problems arise. The shelf life of the eyes is 40 years When people reach middle age, their eyesight starts to decline and presbyopic glasses become indispensable for more than 40% of middle-aged people. Farsightedness, which affects our ability to see objects up close. If you drink three to four cups of chrysanthemum tea every day, it is helpful to restore your eyesight. Teeth have a shelf life of 40 years As we get older, our saliva production decreases. Saliva flushes away bacteria, and with less saliva, our teeth and gums are more susceptible to decay. Breast shelf life is 35 years The size and fullness of a woman’s breast gradually decreases after age 35. As we age, the chances of breast cancer increase. Eating more protein, along with breast massage, can be a way to keep your breasts perky. Kidney shelf life is 40 years Kidney filtration decreases from the age of 50. Kidney filtration filters out waste products from the blood, and the consequence of reduced kidney filtration is that a person loses the ability to hold urine at night and needs to make many bathroom runs. Bone shelf life is 35 years Generally, after the age of 30, bone mass gradually decreases, and at the age of 35, bone mass begins to be lost and enters the natural aging process. After the age of 50, bone loss is more serious, and the rate of osteoporosis in women after menopause is as high as 20%-35%. The shelf life of the reproductive age is 35 years. After the age of 35, the number and quality of eggs in the ovaries begin to decline, and the endometrium may thin, making it difficult for a fertilized egg to implant. Research by U.S. scientists has found that nitric oxide can be used not only to extend the window of fertile time for older women, but also to increase the fertilization rate of in vitro fertilized eggs and prevent common pregnancy problems that occur in older women after they become pregnant, such as habitual miscarriage. The heart has a shelf life of 20 years. As our bodies get older, the heart becomes less efficient at delivering blood throughout the body, as blood vessels lose elasticity and arteries may become hardened or blocked, after which less blood is delivered to the heart, causing angina. The shelf life of the liver is 70 years The liver seems to be the only organ in the body that can challenge the aging process, and the regenerative capacity of liver cells is very strong. After a piece of liver is surgically removed, it grows into a full liver within 3 months. There are claims that the liver of a 70 year old can also be transplanted into a 20 year old if the donor does not drink alcohol or take drugs or has no infectious diseases. Lungs have a shelf life of 20 years Our lung capacity begins to decline slowly from the age of 20, and by the age of 40, some people become short of breath. A French survey found that “white foods” are particularly good for the lungs, such as silver fungus, white radish, lily of the valley, snow pear and lotus root. These foods can slow down the deterioration of lung function, and play a role in making the lungs younger.