Healthy diets
Learning Center
Triglycerides: Why do they matter?
Like cholesterol, triglycerides can cause health problems. Here's how to lower your triglycerides.
Low-glycemic index diet: What's behind the claims?
Find out about the low-glycemic index diet — an eating plan based on how food affects blood sugar levels.
Diverticulitis diet
A diverticulitis diet may be part of a treatment plan for acute diverticulitis.
Clear liquid diet
Need to be on a clear liquid diet? Learn which foods to eat and which foods to avoid.
Low-fiber diet do's and don'ts
Learn which foods are allowed and which foods to avoid on a low-fiber diet.
Caffeine content for coffee, tea, soda and more
Find out just how much caffeine is in coffee, tea, soda and energy drinks. You may be surprised at how much caffeine you're consuming.
Transgender facts
Know the basics about sex and gender, including common terms and definitions.
Wisdom teeth removal: When is it necessary?
You may not need your wisdom teeth taken out if they're healthy and in the right place. But if they cause problems, your dentist may suggest removing them.
What is chikungunya fever, and should I be worried?
Learn more about this mosquito-borne virus — found in Africa, Asia, India, and parts of Europe and the Americas — that causes fever and severe joint pain.
Video: 3 things you didn't know about cold sores
Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.
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