Fitness basics
Learning Center
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
Sex during pregnancy: What's OK, what's not
Questions about sex during pregnancy? Here's what you need to know.
Prenatal vitamins: Why they matter, how to choose
Prenatal vitamins are an important part of pregnancy nutrition. Here's why.
COVID-19 travel advice
Traveling during COVID-19? Follow these tips for safely flying, driving and staying at hotels.
Safe outdoor activities during the COVID-19 pandemic
Looking for fun summertime activities you can enjoy safely during the COVID-19 pandemic? Here are several options to try.
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.
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