Researchers think more female embryos die than male embryos, which contradicts traditional thinking

New focus on tumor subtypes could help patients, according to medical groups

Patients with one are more than twice as likely to have the other, study says

Researchers report on two studies that showed kidney damage in those who used the drug

Study links glyburide to more infant intensive care and respiratory distress

Vitamin K thought to slow deterioration

Study finds no effect on doctor visits, but a slight decrease in need for prescription meds

But one-third still eating it every day, study finds

Experimental procedure helps people with C. difficile, small study shows

Using metrics, not teaspoons, reduces medication errors, American Academy of Pediatrics says