The disgraced founder of the blood testing start-up Theranos, who was convicted of fraud, turned herself in at a minimum-security prison in Texas.

Polygenic risk scores could help patients, including younger ones, understand whether they really need early treatment for heart disease.

More than 200 others could be at risk from a fungal meningitis outbreak that has been traced to two clinics in Matamoros, Mexico, where people traveled for cosmetic surgeries, health officials said.

Recent research shows that most pregnancy-related deaths occur in the year after a baby is born. The discovery is changing how doctors care for new mothers.

New mothers are at risk for up to a year, research has shown. But the first six weeks are the most perilous.

Research this week presents the most robust evidence to date that ketamine is at least as effective as electroconvulsive therapy for patients with treatment-resistant depression who do not have psychosis.