One ex-investment banker said it was not unusual for work days at the San Francisco office to start at 4am to link up with ...

Mexican drug cartels are driving an opioid epidemic, flooding the United States with increasingly potent synthetic drugs.

Preliminary research shows people are using fentanyl, a lab-made opioid over 30 times as potent as heroin, responsible for ...

Dr. Christine Bell is the medical director of CORE Medical Clinic in Sacramento. She said when she started 15 years ago she ...