Vast databases of patient and doctor information being used by drug makers let them know which medications physicians are prescribing and how they compare to colleagues.    

Of the crises facing American troops today, suicide ranks among the most emotionally wrenching — and confounding.    

Researchers reported that a combination of two drugs from Bristol-Myers Squibb appeared to shrink tumors in 41 percent of patients in a small study.    

The vote was 91 to 7 for Marilyn B. Tavenner, acting leader of the Centers for Medicare and Medicaid Services since December 2011.    

Researchers fused skin cells with donated human eggs to create human embryos that were genetically identical to the person who provided the skin cells.    

Andrew C. Revkin, an environmental journalist, shares what he learned after a stroke forced him to interrupt his nonstop career.    

The African clawed frog carries a disease that threatens hundreds of other amphibian species, new research shows.    

Social isolation can adversely affect health, undermining the ability to self-regulate, raising stress and increasing inflammation, studies show.    

Average levels of LDL, the so-called bad cholesterol, declined significantly in Americans from 2001 to 2008, but have remained steady ever since, a new study has found.    

Flu infection during pregnancy may increase the risk for bipolar disorder in offspring, according to a new report.    

A vote planned for this week will be the 37th time House Republicans have tried to curtail or eliminate the law.    

Angelina Jolie’s decision to have her breasts removed because she carries a rare defective gene underscored the painful choices women face in trying to prevent breast cancer.    

Saudi Arabia has confirmed six new cases of the SARS-like coronavirus in its Eastern Province in recent days, the state news media reported.    

A Southern legal advocacy group has claimed in a lawsuit that the State of South Carolina should not have surgically altered a 16-month-old child in its custody.    

The National Transportation Safety Board is recommending that states reduce the allowable blood-alcohol content to 0.05 percent, instead of the current 0.08 percent.    

A new report argues that alcohol levels for driving should be lowered, pointing out that a third of highway deaths are still alcohol-related, and known effective strategies for lowering injuries and deaths because of drunken driving remain underutilized.    

A focaccia that resembles a pizza.    

A focaccia inspired by a Provençal pizza.    

Health experts for the government say there is no good reason for many Americans to keep sodium consumption below 2,300 milligrams a day, as national dietary guidelines advise.    

Doctors hate pain because they are rarely trained to manage it.