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Test anxiety: Can it be treated?
Feelings of worry and self-doubt can interfere with how well you do on tests. Here's what you can do to lower your anxiety.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Silicone breast implants: What happens if they rupture?
Understand the problems that may happen when a silicone breast implant leaks.
Silent heart attack: What are the risks?
This type of heart attack occurs with few, if any, symptoms. Find out more.
Shingles vaccine: Can I transmit the vaccine virus to others?
A shingles vaccine uses only part of the varicella-zoster virus, so you can't infect others.
Shaving hair: Does shaved hair grow back thicker?
Contrary to popular belief, shaving unwanted hair doesn't make it grow back thicker.
Sex and COVID-19: Can you get COVID-19 from sexual activity?
Close contact, including sexual activity, is a risk factor for COVID-19. Find out how to lower your risk of getting the COVID-19 virus from a sexual partner.
Repeat C-sections: Is there a limit?
Repeat C-sections are common — but each C-section is generally more complicated than the last.
Recurring strep throat: When is tonsillectomy useful?
Tonsillectomy may sometimes be needed in children who have recurring strep throat infections.
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.
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