From nicotine, alcohol, and marijuana to ecstasy, cocaine, and crystal meth: iD is examining how recreational drugs alter our bodies and brains, and where they hide, with its first-ever drug map of the body. 

What many people don't realize, for example, is that drinking alcohol after taking cocaine magnifies the drug's effect many times over--and therefore increases the likelihood of a fatal overdose. Alcohol and cocaine is a deadly combination that accounts for 1 out of every 10 drug fatalities in the United States alone. 

In addition, iD presents some shocking real-life cases of the damage cocaine has done to celebrities like Courtney Love and Amy Winehouse--such as strange facial expressions, paranoia, and skin inflammation.

Cover date: April 2011