Nutrition basics
Learning Center
Caffeine: Is it dehydrating or not?
Caffeinated drinks usually won't dehydrate you, but water is still your best option.
Cholesterol ratio or non-HDL cholesterol: Which is most important?
Non-HDL cholesterol may be more important than cholesterol ratio.
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.
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.
Ejection fraction: What does it measure?
This measurement, commonly taken during an echocardiogram, shows how well the heart is pumping. Know what results mean.
Coffee and health: What does the research say?
Has coffee gotten a bum rap? Can it be part of a healthy diet?
Yerba mate: Is it safe to drink?
This herbal tea may help you feel more alert and focused, but find out what the possible health risks are.
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