All Stories by Nathan Seppa
- Health & Medicine
Tough Nut Is Cracked: Antibody treatment stifles peanut reactions
Researchers have successfully demonstrated the first preventive drug treatment against peanut allergy.
- Health & Medicine
Protective virus ties up HIV docking sites
A harmless virus that seems to keep HIV infections from progressing to AIDS appears to do so by occupying key molecular receptors on immune cells.
- Health & Medicine
Blood sugar processing tied to brain problems
Elderly people with slightly elevated blood sugar are more likely to have short-term memory problems than those with normal blood sugar.
- Health & Medicine
Ulcer Clue? Molecule could be key to stomach ailment
A protein called Ptprz binds with a bacterial toxin to produce ulcers in mice, possibly revealing a mechanism for the disorder.
- Health & Medicine
Mixed Results: AIDS vaccine falters in whites, may help blacks
In its first large test, an AIDS vaccine has failed to shield an at-risk population from acquiring AIDS.
- Health & Medicine
HIV in breast milk can be drug resistant
HIV-positive women who receive the drug nevirapine during pregnancy often have HIV that is resistant to the drug in their breast milk after they give birth.
- Health & Medicine
Designer RNA stalls hepatitis in mice
Using strips of synthetic RNA that interfere with normal gene action, scientists working with mice have stopped the progression of hepatitis.
- Health & Medicine
Full Pipeline: Success of experimental AIDS drugs offers promise of future therapies
Three experimental drugs—a monoclonal antibody, a protease inhibitor, and a fusion inhibitor—performed well in early tests on AIDS patients.
- Health & Medicine
Carbon monoxide may limit vascular damage
Carbon monoxide given in small doses to rats can prevent injury to blood vessels caused by surgery.
- Health & Medicine
Huntington’s Advance: Drug limits disease effects in laboratory mice
A compound that inhibits enzymes that act as stop signs for genes counteracts the movement disorders brought on by Huntington's disease, a mouse study suggests.
- Health & Medicine
Too Much of a Good Thing: Excess vitamin A may hike bone-fracture rate
Dietary studies suggest that people who consume large amounts of vitamin A in foods or multivitamins are more likely to suffer hip fractures than are people who ingest modest amounts.
- Health & Medicine
Nifty Spittle: Compound in bat saliva may aid stroke patients
An anticlotting molecule in the saliva of vampire bats combats strokelike brain damage in mice.
