(Reuters Health) - Middle-aged and older men who get enough antioxidants in their diets may have better-quality sperm than men who are lacking in the nutrients, a new study suggests.
Researchers found that among men age 45 or older, those who got the most vitamins C and E, folate and zinc tended to have fewer DNA-strand breaks in their sperm.
That's a measure of the genetic quality of sperm, which is known to decline as a man ages.
The findings, reported in the journal Fertility and Sterility, do not prove that antioxidants directly improve sperm quality - or boost the chances of a healthy pregnancy.
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