Bio and Medicine
Biodiversity feeds on itself, researchers found, as evolving animals open niches for other new species. Such is the case, says a Michigan State University researcher, with a parasite found to be evolving in sequence with an emerging host insect in western Michigan apple trees.
There’s another reason to dust off those running shoes. Vigorous exercise may help prevent vision loss, according to a pair of studies from the U.S. Department of Energy’s Lawrence Berkeley National Laboratory.
Frequent and/or long-term marijuana use may significantly increase a man's risk of developing the most aggressive type of testicular cancer, according to a study by researchers at Fred Hutchinson Cancer Research Center.
An investigational vaginal gel intended to prevent HIV infection in women has demonstrated encouraging signs of success in a clinical trial conducted in Africa and the United States.
Each year, many people seek emergency treatment for unexplained chest pains.
A new study finds the elevation in estradiol levels that occurs during pregnancy is more pronounced in pregnant women with restless legs syndrome (RLS) than in controls.
THE SCIENCE SHELF NEWSLETTER
News about the Science Shelf archive of book reviews, columns, and comments by Fred Bortz
Issue #29, Back from Hiatus edition, February 2009
Electronic implants that dispense medicines automatically or via a wireless medical network are on the horizon. Australian and US researchers warn of the security risks in a forthcoming issue of the International Journal of Biomedical Engineering and Technology.
Researchers at UT Southwestern Medical Center have uncovered crucial clues about a paradoxical disease in which patients with no body fat develop many of the health complications usually found in obese people.
A University of Iowa study is apparently the first to make a connection between a rare, hereditary premature aging disease and cell damage that comes from smoking. The study results point to possible therapeutic targets for smoking-related diseases.
Researchers have found that fat cells give feedback to the brain in order to regulate fat burning much the same way a thermostat regulates temperature inside a house.
Researchers have discovered that arginine, an amino acid, reduces fat mass in diet-induced obese rats and could help fight human obesity.
New research could help explain why some alcoholics are more severe drinkers than others.
Outpatient surgery visits accounted for about half of all surgery visits in 1996 but nearly two thirds of all surgery visits in 2006.
Your mother's wrinkles -- or lack there of, may not be the best predictor of how you'll age.