Fitness basics
Learning Center
X-ray during pregnancy: Is it safe?
Learn when an X-ray during pregnancy might cause harm and how to avoid it.
Yeast infection during pregnancy: Over-the-counter treatment OK?
Yeast infections are common during pregnancy. Over-the-counter treatments are usually safe.
Cervical length: Why does it matter during pregnancy?
If cervical length during pregnancy shortens too soon, there might be an increased risk of preterm labor.
Bleeding after menopause: A concern?
It's unusual to bleed from the vagina after menopause. Learn what health problems can cause it and why you need to see your health care provider.
Silicone breast implants: What happens if they rupture?
Understand the problems that may happen when a silicone breast implant leaks.
Sperm: How long do they live after ejaculation?
After ejaculation, the life span of sperm depends on the circumstances.
Does soy really affect breast cancer risk?
Soy foods reduce the risk of breast cancer, but more research is needed to determine whether soy supplements are equally beneficial.
Autism spectrum disorder and digestive symptoms
Children with autism spectrum disorder often have other health issues, including problems related to digestion.
Can vaginal tears during childbirth be prevented?
Learn what you can do to help lower the risk of vaginal tears during childbirth.
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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