Nutrition basics
Learning Center
Caffeine: Is it dehydrating or not?
Caffeinated drinks usually won't dehydrate you, but water is still your best option.
Craving and chewing ice: A sign of anemia?
Craving and chewing ice (pagophagia) is often associated with iron deficiency with or without anemia.
Flu symptoms: Should I see my doctor?
See a healthcare professional if you are at high risk for complications from flu.
Juicing: What are the health benefits?
Learn about the pros and cons of extracting the juice from fresh fruits and vegetables.
White patch on skin: A cause for concern?
A small white patch on skin may have several causes, including eczema, psoriasis and vitiligo.
Alkaline water: Better than plain water?
Health claims about alkaline water abound, but plain water is usually best.
Multiple sclerosis: Can it cause seizures?
Seizures occur more often in people with multiple sclerosis than in the general population.
Taurine in energy drinks: What is it?
Energy drink ingredients can cause concern for some who consume these beverages.
Pulse pressure: An indicator of heart health?
Pulse pressure may be a strong predictor of heart problems, especially for older adults.
Monosodium glutamate (MSG): Is it harmful?
Monosodium glutamate (MSG) can trigger headaches and other symptoms in some people.
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