2,451 results
2,451 results for: mutations
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Weighting for Friends: Obesity spreads in social networks
Obesity spreads as a social contagion through networks of friends and relatives, apparently because associating with overweight people encourages a laxer attitude toward weight gain.
- Chemistry
Energy in Motion
The molecular machines of living cells harvest energy out of randomness, and scientists are learning how to do the same with artificial molecules.
- Health & Medicine
Weighty Evidence
Connections between the family of insulin hormones and cancer have been suspected for more than 2 decades, and today, drug companies are testing anticancer drugs based on the actions of an insulin cousin.
- Health & Medicine
Dangerous History
The genome of the TB bacterium has small but significant pockets of diversity, giving scientists new targets for preventing and treating the disease.
- Health & Medicine
Long-Term Threat
Survivors of a childhood cancer face a sixfold risk of developing a new cancer later in life, compared with people in the general population.
- Health & Medicine
Problem Paternity: Older men seem more apt to have autistic kids
Children born to fathers who are age 40 or older have an increased risk of developing autism.
- Health & Medicine
Diminishing Obesity’s Risks
Mouse data suggest that, properly managed, obesity can be benign.
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Derailing a Disease: Stem cells slow dogs’ muscular dystrophy
Injecting a special type of stem cell into dogs with the canine equivalent of Duchenne muscular dystrophy significantly slowed the disease's progression.
- Health & Medicine
Defect Detector: Plugging holes in a breast cancer–gene screen
A genetic test not available in the United States catches many potentially cancer-causing BRCA-gene mutations not detected by the sole U.S. test.
- Earth
Pollution Fallout: Are unattractive males Great-gram’s fault?
Pollutant exposures in rodents can have behavioral repercussions that persist generation after generation.
- Health & Medicine
Defenses Down: Mutation boosts West Nile risk
A genetic mutation has been identified that increases a person's susceptibility to West Nile virus.
- Health & Medicine
Better Blood: New tool removes agent of brain disease
Scientists have developed a device that filters from blood the mutant proteins that cause the human form of mad cow disease, an advance that may hold promise for increasing the safety of donated blood.
