Dandruff is not caused by a fungus, as many believe, but by an imbalance between two competing bacteria that naturally colonize the human scalp, according to a study released Thursday.
The first imported case of the Zika virus infection has been reported in Singapore on Friday, May 13.
The World Health Organization on Thursday urged pregnant women not to travel to Rio for the Olympics and urged athletes and visitors to the Games to take precautions to avoid Zika infection.
Scientists said Wednesday they had identified 74 genes that partially determine how far someone gets in school, depending on which variant of those genes a person possesses.
Pregnant women who drink artificially sweetened beverages may be more likely to have overweight infants than women who do not, a study suggested on Monday.
Being on the heavier side may not be as dangerous as it was in the 1970s, at least when it comes to the risk of dying, according to a study Tuesday.
Decades of neglect and underinvestment have damaged the health of 10-to-24-year olds worldwide and could hold back future generations, according to a major report published Tuesday.
The Centers for Disease Control (CDC) warned Tuesday of a growing enterovirus threat, as more infections were reported over the past week.
After decades of battling depression, former soldier Betty Ann Archer finally flew to New Delhi to complete her gender transition, one of a growing number of foreigners heading to India for budget sex-change operations.
New lab techniques have provided the first good look at a crucial but mysterious stage in the development of human embryos, scientists reported Wednesday.