December 14, 2009 —
Scientists have for the first time selectively blocked a conditioned fear memory in humans by using a behavioral technique. The advance represents a safe, easily implemented way to prevent the return of a fearful memory.
December 14, 2009 —
Nationwide rates of new diagnoses and deaths from all cancers combined fell significantly in recent years, according to a new report. By 2020, the researchers estimate, aggressive interventions could bring colorectal cancer death rates down to as...
December 14, 2009 —
Anyone who's taken a biology class knows that a gene's sequence precisely dictates the order of amino acids that must be linked together to make a protein. A new study reveals that, in the face of an invading virus or bacteria—or an irritating...
December 7, 2009 —
New details about how antibodies bind the human immunodeficiency virus (HIV) may help bring researchers closer to creating an effective HIV vaccine.
December 7, 2009 —
Being physically fit at age 18 is linked to a higher IQ, a new study finds. The researchers also showed that fitness predicts greater educational and professional achievements later in life.
December 7, 2009 —
Many people try to lose weight by periodically forbidding themselves from eating certain foods. But depriving yourself of tasty food can backfire, new research in rats suggests. It can activate the brain's stress system, causing anxiety and...
