Sperm Killers- Fact or Fiction
Guys. We have all heard about the medical studies that certain things can be bad for our sperm.
For example, you've heard about wearing "tighty whities" or briefs is bad for the sperm. You've also probably heard about keeping a laptop on your lap close to your "franks and beans" is bad as well.
Well guess what? According to Dr. Kaufman, in regards to wearing tight underwear,
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