Children's health
Learning Center
Testosterone therapy: Potential benefits and risks as you age
Testosterone therapy — Explore the potential benefits and risks of increasing your testosterone level.
Penis health: Identify and prevent problems
Understand the factors that affect penis health and how to identify problems.
Senior sex: Tips for older men
Sex isn't just for the young. Get tips for staying active, creative and satisfied as you age.
Mental illness in children: Know the signs
It can be hard to tell the difference between typical behavior and symptoms of mental illness in children. Find out what to look for and when to act.
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.
Children and gender identity: Supporting your child
Learn how to talk to children about their internal sense of gender. Also find out how to support their gender expression and advocate for them.
Temper tantrums in toddlers: How to keep the peace
Know what to do when a tantrum strikes and how to prevent repeats.
Male menopause: Myth or reality?
Male menopause is a catchy phrase, but it isn't accurate. Here's why.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
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