Aerobic exercise
Learning Center
5K run: 7-week training schedule for beginners
Running a 5K? Make it to race day in seven weeks.
Fight coronavirus (COVID-19) transmission at home
Fight coronavirus at home by cleaning and disinfecting surfaces that are touched often. Most disinfectants for home use will kill the virus that causes COVID-19.
Colon cancer screening: Weighing the options
Find out more about the pros and cons of specific tests used for colon cancer screening, including colonoscopy, stool DNA test and virtual colonoscopy.
Pregnancy and COVID-19: What are the risks?
Know how COVID-19 might affect pregnancy, labor and delivery, and breastfeeding. And get the facts about the safety of COVID-19 vaccines.
COVID-19 travel advice
Concerned about COVID-19 when you travel? Follow these tips for safely flying, driving and staying at hotels.
Pregnancy and fish: What's safe to eat?
Eating fish during pregnancy can be safe and healthy. Learn about the possible benefits, what types of seafood are safe and what to avoid.
Bed rest during pregnancy: Get the facts
What's the difference between bed rest and pelvic rest during pregnancy? Are there benefits? Understand the recommendations and how to cope.
Sex during pregnancy: What's OK, what's not
Questions about sex during pregnancy? Here's what you need to know.
Birth control pill FAQ: Benefits, risks and choices
The birth control pill is surrounded by misinformation. Get the facts on common concerns and questions about taking the pill.
Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
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