End-of-life care
Learning Center
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.
Can vaginal tears during childbirth be prevented?
Learn what you can do to help lower the risk of vaginal tears during childbirth.
How to treat a piercing site infection
Learn what you can do at home if your ear new piercing becomes infected.
COVID-19 drugs: Are there any that work?
Medicine can help people who are at risk of, diagnosed with, or have symptoms of COVID-19.
COVID-19 infections by race: What's behind the health disparities?
Understand how underlying health conditions, the places where people live and work, and racism can affect who becomes seriously ill with COVID-19.
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.
COVID-19 vaccine: Should I reschedule my mammogram?
Swollen lymph nodes caused by the COVID-19 vaccine can look like breast cancer on a mammogram. Find out what to do if you've got a mammogram scheduled.
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