Medically reviewed by Kira Graves, PhD Key Takeaways Addiction to a drug means you cannot control your use of the substance, ...

Jessica Braun Gervais is a Chicago-based freelance writer specializing in health, wellness and fitness. She earned a B.A. in Journalism from Columbia College and has written content for various health ...

A drug overdose may occur when an individual consumes too much of a substance. Opioids, stimulants, and other substances can all cause an overdose. Responding quickly can help prevent serious health ...