Health & Medicine
- Health & Medicine
HIV is double trouble for brain
The virus that causes AIDS can also cause dementia, by both killing mature brain cells and blocking the creation of new ones.
- Health & Medicine
Bad Bug: Microbe raises stomach cancer risk
A gene in some strains of the bacterium Helicobacter pylori may greatly increase the risk of stomach cancer.
By Nathan Seppa - Health & Medicine
When antioxidants go bad
Overproduction of antioxidants, usually thought to be beneficial, is the cause of an inherited heart disease.
- Health & Medicine
Measuring Soft Drinks’ Jolt
Researchers report what most soft-drink labels don't: how much caffeine your refreshments contain.
By Janet Raloff - Health & Medicine
Infectious Obesity: Adenovirus fattens stem cells
Some cases of obesity may result from infection by a virus that can transform adult stem cells into fat-storing cells.
By Brian Vastag - Health & Medicine
If You Can Stomach It: Obesity surgery extends life span
Drastic weight loss achieved through gastric bypass and other stomach surgeries improves long-term survival for very obese people.
By Nathan Seppa - Health & Medicine
Vaccine targets ovarian-cancer cells
A vaccine for ovarian cancer enables some women who've undergone chemotherapy to stay in remission.
By Nathan Seppa - Health & Medicine
Lithium might help bone healing
In mice, treatment with lithium assists in the production of a bone-repair protein and improves the healing of fractures.
By Nathan Seppa - Health & Medicine
Caffeine Aids Golden Girls’ Mental Health
Coffee and tea appear to keep aging women sharp. Men, not so much.
By Janet Raloff - Health & Medicine
Calming Factor: DNA vaccine for MS passes initial test
A DNA vaccine against multiple sclerosis passes a safety trial and shows signs of suppressing immune-directed nerve damage.
By Nathan Seppa - Health & Medicine
Anti-inflammatory prevents pancreatic cancer in mice
An anti-inflammatory drug of the COX-2 inhibitor family blocks precancerous lesions in mice prone to pancreatic cancer.
By Nathan Seppa - Health & Medicine
Nerve Link: Alzheimer’s suspect shows up in glaucoma
Amyloid-beta, the protein fragment implicated in Alzheimer's disease, may also play a role in glaucoma.
By Nathan Seppa