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Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Hearing aids: How to choose the right one
Find out how to choose the right hearing aid.
Heart conditions and pregnancy: Know the risks
Here's what to know to protect your heart and have a healthy pregnancy.
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.
Hormone therapy: Is it right for you?
Hormone therapy helps treat bothersome menopausal symptoms, but it's not for everyone. See if hormone therapy might work for you.
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.
Insomnia treatment: Cognitive behavioral therapy instead of sleeping pills
If you find it hard to fall asleep or stay asleep, or you have other long-term sleep problems, behavior therapy can help. Learn what's causing your sleep problems.
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.
Is hydroxychloroquine a treatment for COVID-19?
Hydroxychloroquine does not treat coronavirus disease 19 (COVID-19) or prevent infection with the virus that causes COVID-19.
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