Alternative medicine
Learning Center
Health issues for gay men and other men who have sex with men
Understand health concerns for gay men and other men who have sex with men, and learn how to promote good health.
Health issues for lesbians and other women who have sex with women
Understand health concerns for lesbians and other women who have sex with women, and take steps to promote good health.
Helping baby sleep through the night
Help your baby sleep through the night.
Herbal supplements and heart medicines may not mix
Some herbal supplements can have dangerous interactions with heart medications.
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.
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.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
Iron deficiency in children: Prevention tips for parents
Learn how much of this key mineral your child needs and what the health risks of not getting enough are.
Kegel exercises: A how-to guide for women
Find out how to strengthen your pelvic floor muscles.
Learning disorders: Know the signs, how to help
Here's how to find out what's going on if your child often has trouble with reading, writing or other skills.
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