"Moracronine" has been born for 17 years. I believe for most people, the slogan "I will not receive gifts this year and receive only melatonin this year" will basically reflect the condition. According to the description of the functional book of melatonin products, this product has the effect of “improving sleep and laxativeâ€, and it is precisely because of this, whether it is recognized or not, it has been the best-selling product in the market for the past 16 years. Health products, sales over 10 billion. Recently, however, it has been questioned that it contains "melatonin."
What is melatonin?
According to Wikipedia's explanation, melatonin or melatonin (also known as melatonin, also known as melatonin, melanin, pineal gland) is a hormone found in many organisms and exists from algae to humans. Among many creatures, it is named because it can make the color of the frog skin lighter, and its content level in the organism changes with the time of day.
In higher animals, melatonin is made from pineal cells in the retina, the eye's lens, the gastrointestinal tract, and the pineal gland. The melatonin produced by the pineal gland is an endocrine hormone that enters the bloodstream; the retina and gastrointestinal tract produce para-emistering hormones. The suprachiasmatic nucleus of the hypothalamus receives daily light and darkness from the retina, which affects the production of melatonin.
Since 1993, melatonin has been sold on the market as a healthy food product, which has caused many consumers to identify and enthusiastic about such products.
What is the role of melatonin?
Under normal circumstances, the brightness of the blue light in the retina's perception of the environment, given the light and dark signals transmitted to the pineal gland, so that it produces melatonin in the dark, so melatonin also known as the "dark hormone." The secretion of melatonin is most frequent in the middle of the evening (11:00 a.m. - 1 a.m.), and then it is less in the late period of the evening and then gradually reduced to the dawn with time.
In ancient times, temperate people lived in the dark for ten to eight hours during the winter. The contents of blue light in the light of the campfire and incandescent lamps were very small. On the contrary, the modern people used fluorescent lamps extensively, and the time in darkness was reduced to eight. Hours or less. Even if the faint light produces melatonin, it will be affected to a certain extent, and the effect under strong light will be even greater.
improve sleeping
The 1970 Nobel Prize in Physiology or Medicine, winner Julius Axelrod, has conducted many experiments and confirmed that melatonin and the pineal gland help control the sleep cycle. Melatonin-rich people in the body can shorten the awakening time and sleep time and improve the quality of sleep. The number of awakening during sleep was significantly reduced, the shallow sleep stage was short, the deep sleep stage was prolonged, and the wake-up threshold was decreased the next morning. In addition, there was a strong adjustment of the time difference function.
anti aging
Enzymatic reactions and non-enzymatic reactions in the body may produce free radicals, which are closely linked to aging. Melatonin protects cell structure by preventing free radicals, inhibiting oxidation, and inhibiting lipid peroxidation, preventing DNA damage, and reducing peroxide levels in the body.
Cancer prevention
Melatonin has obvious protective effect on chromosomal damage of human peripheral lymphocytes caused by 137Cs γ-rays (150cGy), and has a dose-effect relationship; it has antagonistic effects on the physical and chemical mutagenicity and carcinogenicity of free radicals . At the same time, melatonin promotes the production of accumulation factors by promoting the accumulation of endogenous granulocytes/macrophages by bone marrow T-cells, and can be used as an adjunctive treatment for tumors. The lack of melatonin is thought to be likely to be the cause of cancer in night shift workers, and the modern habit of lighting in the evening is also considered to be one of the reasons why more and more people in developed countries have cancer.
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