Healthy aging: Over 50
Learning Center
Great expectations: How to keep them from creating unhappiness
Expectations are a part of life. But if dashed hopes are getting you down again and again, here's what to do about it.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
HPV vaccine: Who needs it, how it works
Learn about how the HPV vaccine works, who needs it and what side effects to expect.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Helping children cope: Tips for talking about tragedy
Helping children cope with tragedy isn't easy. Consider practical ways to support your child.
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 to live your best life in retirement
No more 9 to 5 means a whole new approach to life. Here's how to embrace retirement with healthy habits that can make your golden years quality years.
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.
Human growth hormone (HGH): Does it slow aging?
Is human growth hormone treatment an anti-aging breakthrough or a scam? Know the facts.
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