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Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
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Can vaginal tears during childbirth be prevented?
Learn what you can do to help lower the risk of vaginal tears during childbirth.
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Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
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