Colorado Voters Approve Aid-in-Dying Measure Canadian Lab Worker Possibly Exposed to Ebola Recreational Marijuana Use Approved in California, Massachusetts and Nevada

Two early trials suggest approach might make it possible for patients to go off antiretroviral meds

Wireless connection allowed brain to send signals to spine, but human trials still a long way off

Increased doses reduced death risk in those with existing heart disease

Wireless connection allowed brain to send signals to spine, but human trials still a long way off

Increased doses reduced death risk in those with existing heart disease

Osteocrin is active in brains of humans and primates, Harvard researchers report

Mother's water can break too soon, researchers report

Technique helped determine lymphoma patients' prognosis, researchers report

Study singled out infants who showed physical, mental signs of exposure