Nutrition basics
Learning Center
Testosterone therapy in women: Does it boost sex drive?
This type of hormonal therapy may boost sex drive for some women, but its long-term safety is unclear.
Caffeine: Is it dehydrating or not?
Caffeinated drinks usually won't dehydrate you, but water is still your best option.
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.
High-dose flu vaccines: How are they different from other flu vaccines?
High-dose flu vaccines are flu vaccines for older people.
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.
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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