Feature
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Health & MedicineBrain Food
New food labeling will identify foods rich in choline, a nutrient that plays an integral role in learning and brain health.
By Janet Raloff -
Plight of the Untouchables
Stigma's largely unexplored effects on the health of people sufering from ailments ranging from AIDS to schizophrenia attracted much interest at a recent conference.
By Bruce Bower -
PlantsTorn to Ribbons in the Desert
Botanists puzzle over one of Earth's oddest plants: the remarkably scraggly Welwitschia of southwestern Africa.
By Susan Milius -
Hair Today, Gone Tomorrow?
Some scientists suggest that a better understanding of hair biology might not only lead to new treatments for people with too little (or too much) hair but also shed light on cancer, the growth and development of bodily organs, and other matters.