You're a young professional, so there's no doubt that you like to go to parties and enjoy time with colleagues, friends and family. Medical school was extremely difficult, but you made it through. Now, you have a job that pays well and the extra time to enjoy those you care about.
A modified version of morphine, heroin is a strong opiate that has the potential to cause extreme effects on the body after just one use. There are a few different kinds, but most can be injected, snorted or smoked.