Health & Medicine
- Health & Medicine
Everyone poops his or her own viruses
The viral denizens of a person’s intestines are unique and don’t change much over time, a study suggests.
- Health & Medicine
Body shape may affect mental acuity
Among women 65 to 79, big apples performed better than plump pears on tests of memory and reasoning.
By Janet Raloff - Health & Medicine
Antiaging protein also boosts learning and memory
An antiaging molecule also helps keep the mind sharp.
- Health & Medicine
Proteins last longer in the brain
A study in mice could lead to a better understanding of aging, Alzheimer’s and other degenerative processes.
- Health & Medicine
Critics point to flaws in longevity study
BLOG: A study showing a genetic basis for exceptionally long life in humans has come under fire from critics.
- Health & Medicine
Newly discovered antibodies may boost AIDS vaccine research
Inducing production of these potent HIV neutralizers will pose a challenge.
By Nathan Seppa -
- Health & Medicine
Fish oil may fight breast cancer
Other popular dietary supplements fail to show protection, a large study shows.
By Nathan Seppa - Health & Medicine
Protein regulator shows promise against addiction
Elevating levels of a tiny molecule in rats’ brains blunted the animals’ cocaine use.
- Health & Medicine
Vaccine for Marburg virus passes monkey test
Tests suggest that the lethal hemorrhagic virus can be stopped if countered soon after exposure.
By Nathan Seppa - Health & Medicine
Fructose sweeteners may hike blood pressure
The more fructose American adults add to their diets, the higher their blood pressure tends to be. The new finding adds fuel to a simmering controversy about whether this simple sugar — found in fruits, table sugar, soft drinks and many baked goods — poses a health hazard that goes beyond simply consuming too many empty calories.
By Janet Raloff - Health & Medicine
For most centenarians, longevity is written in the DNA
A study of people who live past 100 reveals many genetic paths to a long life.