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HA content is about 15g in a human body. It plays an important role in human biologic activity. With the decrease of HA content in skin,
the water retaining ability of the skin is weakened, the skin looks coarse and wrinkle. The decrease of HA in other apparatus will lead to arthritis,
arteriosclerosis, plus disorder and brain atrophy. All in all the decrease of HA in human body will lead to premature senility.
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