A group of researchers have erased memories in rats, profoundly altering the animals' reaction to past events. Then they put them back. The study is the first to show the ability to selectively…

New research reveals that bilingualism has a positive effect on cognition later in life. Findings published in Annals of Neurology, a journal of the American Neurological Association and Child…

Like blonde hair? You can thank the Kit ligand gene. A single-letter change in the genetic code is enough to generate blond hair in humans, according to a new analysis by Howard Hughes Medical…

Twenty years after the hormone leptin was found to regulate metabolism, appetite, and weight through brain cells called neurons, a new study in Nature Neuroscience says that the hormone also acts on…

A UCLA research team has discovered a new hormone called erythroferrone, which regulates the iron supply needed for red blood-cell production. Iron is an essential functional component of hemoglobin…

Researchers have defined a previously unrecognized genetic cause for two types of birth defects found in newborn boys  "Cryptorchidism and hypospadias are among the most common birth defects but…

At the 50th Annual Meeting of the American Society for Clinical Oncology (ASCO), University of Colorado Cancer Center researchers reported results of a Phase I trial of OMP-54F28 (FZD8-Fc), an…

If you want to survive your hospital stay, try to avoid being admitted on the weekend.  A systematic review and meta-analysis of various world regions that included 72 studies and 55,053,719…

In the debate over government control of health care in the United States, critics looked at the UK system and its death panels, which drew an arbitrary line on when to stop treatment. Their recent…

While western nations have dropped emissions on schedule, led by the United States, which has pushed its greenhouse gas emissions from energy back to early 1990s levels and coal back to early 1980s…