Neuroscientists have proposed a simple explanation for the pleasure of grasping a new concept: The brain is getting its fix. The "click" of comprehension triggers a biochemical cascade that rewards the brain with a shot of natural opium-like substances, said Irving Biederman of the University of Southern California. He presents his theory in an invited article in the latest issue of American Scientist.
Preliminary results suggest that patients with aggressive non-Hodgkin's lymphoma in the developing world might benefit from a modified chemotherapy regimen, researchers say.
Counting the number of tumor cells circulating in the bloodstream of patients with castration-resistant prostate cancer can accurately predict how well they are responding to treatment, new results show.
Children born to a surrogate mother or conceived through donated sperm or a donated egg do just as well psychologically as counterparts who are naturally conceived, a study unveiled on Sunday said.
Dental researchers at the University of Washington have reported a significant reduction of tooth decay in toddlers who were treated with the topical syrup xylitol, a naturally occurring non-cavity-causing sweetener. Their ...
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