Nutrition basics
Learning Center
Can whole-grain foods lower blood pressure?
Find out if eating whole-grain foods can lower blood pressure.
Does soy really affect breast cancer risk?
Soy foods reduce the risk of breast cancer, but more research is needed to determine whether soy supplements are equally beneficial.
Ozone air purifiers: Can they improve asthma symptoms?
Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse.
How to treat baby eczema
Learn simple remedies to easing your baby's discomfort from the pain and irritation of this skin rash.
Warm-mist versus cool-mist humidifier: Which is better for a cold?
Warm-mist and cool-mist humidifiers are equally effective in humidifying the air.
Eczema bleach bath: Can it improve my symptoms?
A diluted bleach bath may help treat chronic eczema.
Petroleum jelly: Safe for a dry nose?
Rarely, inhaling petroleum jelly for prolonged periods can cause lung inflammation (lipoid pneumonia).
Diet soda: How much is too much?
Diet soda may help you cut calories, but other low-calorie options abound.
Melatonin side effects: What are the risks?
Melatonin is generally safe for short-term use but can cause side effects.
How many hours of sleep are enough?
Wonder how many hours of sleep are enough? A Mayo Clinic specialist offers guidelines.
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