A gene involved in the regulation of serotonin makes some of us more prone to spontaneous smiles and bursts of laughter.

Disruption of the clock has been associated with a variety of health problems, including diabetes, heart disease, and cancer itself.

Increased acidity is linked to more calcium in shrimp shells and, as a result, decreased shrimp transparency.

Study explores implications for upcoming political races.

Exposure to synthetic chemicals and pollutants in air, water, food, workplaces and consumer products may account for a significant portion of breast cancer risk.

Gene mutation strips color from sight and causes near-blinding sensitivity to bright light.

Deposits of beta-amyloid appear to lead to a vicious cycle in which sleep is further disturbed and memory impaired.

Genetically programmed over-the-counter probiotics spotlight liver cancer through a urine test.

Software reads children’s facial expressions to gauge their level of pain.

More than 90 percent of the United States can eat food grown or raised within 100 miles of their homes — a boon for nutrition, the economy and sustainable agriculture.

The brain has a major system that seems predisposed to get us ready to be social in our spare moments.

The resemblance truly exists, according to science. The question then becomes why. A UC San Diego social psychologist has a theory.