Men who wear boxer shorts have higher sperm levels than men who wear tight underwear, although the difference shouldn't usually be enough to affect fertility
Will our lifestyle lead to our extinction? New findings from an international team of eight researchers indicate sperm counts in men from North America, New Zealand, Australia, and Europe have halved in under 40 years...
Will our lifestyle lead to our extinction? New findings from an international team of eight researchers indicated sperm counts in men from North America, New Zealand, Australia, and Europe may have halved in under 40 years...
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