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How opioid use disorder occurs
Opioids act on the brain in powerful and potentially dangerous ways. Find out why no one is safe from opioid use disorder and learn what raises the risk.
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.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Headaches and hormones: What's the connection?
Headaches are part of life for many people. Understand how hormones can play a role.
Hand-washing: Do's and don'ts
Done properly, hand-washing is a simple way to prevent the spread of germs and avoid getting sick.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
Germs: Understand and protect against bacteria, viruses and infections
Learn how to protect against bacteria, viruses and infections.
Gastric bypass diet: What to eat after the surgery
Wondering what your diet will be like after your surgery? Learn which foods will help you heal and lose weight safely.
Erectile dysfunction: Viagra and other oral medications
Get the facts on medicines that are taken by mouth for ED.
Erectile dysfunction: Nonoral treatments
Get the facts about shots, penis pumps and other ED treatments that don't involve taking medicine by mouth.
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