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This research examined the importance of different attributes of

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Men from 24 years of age, sperm quality and quantity are declining. Semen contains large amounts of zinc, when the body lack of zinc, it will affect the quantity and quality of sperm. The seafood oysters, shrimp, crab zinc is the most abundant, a little zinc in the oyster can meet for one day (15 mg), thereby enhancing a man's sexuality.

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