Health & Medicine

As numbers soar, scholars revisit a thorny debate

New research suggests that women with early-stage ovarian cancer may not need to undergo hysterectomies

Suicides among U.S. Army personnel today are at their highest levels since the military began keeping records 30 years ago

A team of young Columbia scientists discovered the genetic origins of H1N1 swine flu this spring. Now they’re racing to determine its deadly potential

The findings suggest a new treatment strategy for a common ailment known as retinitis pigmentosa

Neuroscientists can now observe synaptic activity in live tissue with a new degree of precision

Peter H. R. Green became the go-to doc for a shadowy illness by learning to diagnose celiac disease

A clinical trial demonstrates for the first time that an antiviral gel applied topically could prevent male-to-female HIV transmission

Columbia students are using mobile phones to improve the collection of health-care data in Malawi

Scientists say they've found a genetic link to a childhood seizure disorder that causes the face, mouth, and throat to go numb

Wafaa El-Sadr reaches beyond medical protocol to shape treatment regimens in New York and Africa

A Columbia scientist discovers a new way to make cancer cells destroy themselves