Nutrition basics
Learning Center
Gluten-free diet
Learn about foods that are acceptable in a gluten-free diet and tips for selecting healthy, nutritional options.
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.
Grass-fed beef: What are the heart-health benefits?
Grass-fed beef may have heart-health benefits that conventional beef doesn't. Find out more.
Groin pain (male)
Learn more about the causes and symptoms of this type of pain. Also find out how you can treat it at home and when to get a checkup.
HDL cholesterol: How to boost your 'good' cholesterol
Generally, people who have naturally higher levels of HDL cholesterol are at lower risk of heart attack and stroke.
HPV infection: A cause of cancer in men?
Learn what types of cancer human papillomavirus can cause and how you can lower your risk.
Headaches: Reduce stress to prevent the pain
Headaches seem worse when you're under stress — and stress by itself can trigger headaches.
Healthy meals start with planning
It's easy to put healthy meals on the table with a little planning. This guide will show you how to create balanced meals with proper portion sizes.
Healthy sperm: Improving your fertility
You can take simple steps to have healthy sperm and improve your fertility.
Heart-healthy diet: 8 steps to prevent heart disease
Certain foods can raise your risk of heart conditions. Learn eight ways to get started on a diet that's good for your heart.
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