Health & Medicine
- Health & Medicine
Natural fluoride isn’t quite enough
In the absence of a public water-fluoridation program in eastern Germany, natural background concentrations of fluoride in drinking water affect children’s dental health.
- Health & Medicine
Study exonerates childhood vaccine
A nationwide study in Denmark provides strong evidence that a childhood vaccine once blamed for some cases of autism plays no role in the development of that neurological disorder.
- Health & Medicine
Predisposed to Trouble: Gene variants implicated in stomach cancer
A person's risk of stomach cancer can depend on the genetics of both the individual and the bacterium Helicobacter pylori.
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- Health & Medicine
Virus Stopper: Vaccine could prevent most cervical cancers
A vaccine fashioned from a protein found on human papillomavirus-16 protects women from long-term viral infections that can lead to cervical cancer.
- Health & Medicine
Gene change linked to poor memory
A subtle change in a gene encoding a brain chemical may give some people better memory skills than others.
- Health & Medicine
Slow brain repair seen in Huntington’s
In people with Huntington's disease, the brain tries to replace dying nerve cells.
- Health & Medicine
Gene may keep breast cancer at bay
Scientists have identified a gene that seems to protect against some common breast cancers.
- Health & Medicine
New inner ear hair cells grow in rat tissue
Using a gene known to control hair-cell growth, researchers have grown hair cells in tissue taken from newborn rats' cochleas, raising hopes that inner ear damage may someday be reversible.
- Health & Medicine
Salt trial provokes DASH of skepticism
Though a new study finds that dramatic salt restriction can lower blood pressure, even among people without hypertension, some critics challenge its value in setting new dietary guidelines for all adults.
- Health & Medicine
Attack of the Clones: Immune cells single out melanoma tumors
Scientists can extract immune system cells that recognize tumor cells from people with melanoma, culture the rare cells to greatly increase their number, and inject them into the patients, sometimes putting the brakes on cancer.
- Health & Medicine
Immune protein may stall HIV
People who have HIV but don't progress to AIDS make extra perforin, a protein that helps kill infected cells.
