Healthy diets
Learning Center
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.
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.
Gout diet: What's allowed, what's not
A gout diet isn't a treatment for gout, but it may help you manage your attacks.
Gluten-free diet
Learn about foods that are acceptable in a gluten-free diet and tips for selecting healthy, nutritional options.
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.
Erectile dysfunction: A sign of heart disease?
Erectile dysfunction and heart disease can be linked. Take steps to avoid both.