Blue light has a dark side
Light at night is bad for your health, and exposure to blue light emitted by electronics and energy-efficient lightbulbs may be especially so.
Search Results for: Green
On call: Discolored respiratory mucus
When I get a flow of green mucus from my nose after a cold, I get a prescription for antibiotics. But last week my doctor was on vacation, and the young covering M.D. would not call in an antibiotic. I was very upset. What can I do if this happens again?
Becoming a vegetarian
A vegetarian diet can meet all a person's nutritional needs if planned thoughtfully. Eat a variety of fruits, vegetables, whole grains, and nuts, avoid saturated fats, watch calories and portions, and be physically active.
Potassium and sodium out of balance
The body needs the combination of potassium and sodium to produce energy and regulate kidney function, but most people get far too much sodium and not enough potassium.
Climate change and your health
Increased levels of greenhouse gases in the atmosphere are changing the earth’s climate, which affects everyone’s health in the form of more instances of extreme weather, poorer air quality, an increase in insect-borne illnesses, and more.
By the way, doctor: What’s the right amount of vitamin C for me?
I'm 79 years old and have been taking 3,000 mg of vitamin C a day for years. I'm now uneasy about taking this amount and plan to cut back to 1,000 mg daily. Is this the right dose? Will my body be startled by the abrupt change?
What you need to know about calcium
Shortness of Breath in Adults
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Risk of Iron Deficiency in Children
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