Health & Medicine

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

What does a physician or therapist do when she is caring for two patients whose rights conflict?

Scientists have found a way to reverse osteoporosis in mice

Columbia scientists figure out how to multiply tiny hearts

New diseases seem to have cropped up with frightening regularity. Are we becoming more vulnerable to strange illnesses?

Columbia scientists shed light on a mystery involving cell reproduction