Nutrition
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Health & Medicine
Vitamin D: Blacks need much more
To achieve healthy concentrations of vitamin D, many African-Americans may need hefty daily supplementation.
By Janet Raloff -
Health & Medicine
Additives may make youngsters hyper
Common food colorings and the preservative sodium benzoate have the potential to foster hyperactivity and inattentiveness in children, a new study finds.
By Janet Raloff -
Health & Medicine
Salmonella seeks sweets
A sugarlike substance in the roots of lettuce may attract food-poisoning bacteria.
By Janet Raloff -
Health & Medicine
Yummy Bugs
Do you enjoy chocolate? You can make it more nutritious by bugging it—with crickets, for example. Or how about ant-fortified tacos? This site introduces Westerners to the idea that many commonly encountered insects are edible. Indeed, most are lower in fat—and higher in protein—than beef, lamb, pork, or chicken. The site’s author argues that “insects […]
By Science News -
Health & Medicine
Distracted? Tea might help your focus
An amino acid in tea combines with the brew's caffeine to enliven brain cells that aid concentration.
By Janet Raloff -
Health & Medicine
Phytochemical Beauty
Our Food For Thought column recently published two offerings on health-related findings about genistein, a soybean constituent. Ever wonder what that chemical looks like? Or how about capsaicin—the spicy agent in hot chilies being explored as a painkiller, lycopene—the red pigment in watermelons that may protect our skin against harmful ultraviolet rays, or sulforaphane—a trace […]
By Science News -
Health & Medicine
Alcohol Answer? Drinks lower glucose to protect heart
Moderate consumption of beer, wine, or gin lowers blood glucose, perhaps helping to stave off type 2 diabetes and heart disease.
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Health & Medicine
Nutrients linked to brain lesions
The more calcium and vitamin D elderly individuals consume, the greater the number and size of lesions that show up in their brains.
By Janet Raloff -
Health & Medicine
Slimming on oolong
Rats absorb less dietary fat and gain less weight when their diets contain lots of oolong tea.
By Janet Raloff -
Health & Medicine
A smart pill for seniors?
A dietary supplement combo boosts older adults' performance on simple mental tests.
By Janet Raloff -
Health & Medicine
Cocoa compound increases brain blood flow
Cocoa that retains compounds usually removed to soften the product's flavor can significantly improve blood flow to the brain.
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Health & Medicine
Want that fiber regular or decaf?
Coffee is a significant, and previously unrecognized, source of dietary fiber.
By Janet Raloff