Second trimester
Learning Center
2nd trimester pregnancy: What to expect
Second trimester pregnancy often brings welcome relief from nausea, breast tenderness and other pregnancy symptoms.
Screen time and children: How to guide your child
Managing your child's screen time takes effort. Find out how to ensure quality screen time and set limits.
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
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.
Male menopause: Myth or reality?
Male menopause is a catchy phrase, but it isn't accurate. Here's why.
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