Health & Medicine
- Health & Medicine
HIV may date back to the 1930s
Genetic analysis of the AIDS virus suggests it first infected humans in the first third of the 20th century.
- Health & Medicine
AIDS drugs may cause bone loss
Using X rays to measure bone density in HIV-infected men, researchers find a possible link between bone loss and long-term use of protease inhibitors.
- Health & Medicine
Researchers Probe Cell-Phone Effects
Scientists are trying to find out whether biological changes associated with cell-phone use represent health risks.
- Health & Medicine
Worm genes take on bacterial foes
Creatures as simple as worms have an effective immune defense.
- Health & Medicine
No worry that this secret will leak
The recently discovered protein angiopoietin-1 appears to protect blood vessels from leaking, a finding with implications for research into diseases that involve swelling, such as arthritis and asthma.
- Health & Medicine
Lung cancer gene has gender bias
The X chromosome's gastrin-releasing peptide receptor gene is turned on by nicotine to produce a protein that promotes lung cancer, a combination of factors that could explain why women are more susceptible to the disease than men are.
- Health & Medicine
Novel diabetes strain has rapid onset
Japanese researchers have confirmed that some patients with type 1 diabetes have a novel form of the disease that's not caused by immune cells attacking the pancreas.
- Health & Medicine
Diet Pills: It’s Still Buyer Beware
With some half of the adult U.S. population overweight–many individuals severely so–is it any wonder that the fastest growing segment of the dietary supplement industry is weight-loss aids? Since 1997, sales of diet pills and related supplements have been increasing 10 to 20 percent annually to the point where last year they reached $2 billion. […]
- Health & Medicine
New Antidote to Botulism: Drug neutralizes toxin in mouse tests
An experimental drug disables deadly botulism toxin much better than current treatment does.
- Health & Medicine
Fullness Factor: Gut hormone tells brain the stomach is well fed
A hormone produced by the intestines could be the primary satiety signal sent to the brain.
- Health & Medicine
Ulcer bug linked to stroke
Potent strains of an ulcer-causing bacterium may also trigger strokes.
- Health & Medicine
Lab tool may spawn new antiviral drugs
Short strands of RNA can be used to stop viruses such as HIV.
