Nutrition basics
Learning Center
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Juicing: What are the health benefits?
Learn about the pros and cons of extracting the juice from fresh fruits and vegetables.
Alkaline water: Better than plain water?
Health claims about alkaline water abound, but plain water is usually best.
Coping with pain after breast surgery
Pain is common after mastectomy and other breast cancer operations. Find out what causes it and learn about treatment options.
Air travel during pregnancy: Is it safe?
Consider these guidelines if you need to fly while you're pregnant.
Ocular migraine: When to seek help
Flashes of light, zigzagging patterns and temporary blindness — what does it all mean?
Taurine in energy drinks: What is it?
Energy drink ingredients can cause concern for some who consume these beverages.
Monosodium glutamate (MSG): Is it harmful?
Monosodium glutamate (MSG) can trigger headaches and other symptoms in some people.
High-protein diets: Are they safe?
Considering a high-protein diet for weight loss? Understand the precautions first.
Macrocytosis: What causes it?
Enlarged red blood cells (macrocytosis) can be due to many factors.
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