Nutrition basics
Learning Center
Pregnancy nutrition: Foods to avoid during pregnancy
Learn what not to eat when you're pregnant.
10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
Herd immunity and COVID-19: What you need to know
Get the facts about coronavirus and herd immunity.
Frequent sex: Does it protect against prostate cancer?
Some studies have suggested that frequent ejaculation may reduce the risk of prostate cancer. But other research hasn't supported this idea.
Breast cancer prevention: How to reduce your risk
Find out what lifestyle changes can lower your risk of this type of cancer.
Pregnancy diet: Focus on these essential nutrients
Find out how to pack your pregnancy diet with essential nutrients, including folate, iron and vitamin D.
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.
Sex during pregnancy: What's OK, what's not
Questions about sex during pregnancy? Here's what you need to know.
HPV vaccine: Who needs it, how it works
Learn about how the HPV vaccine works, who needs it and what side effects to expect.
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