Not to totally alarm you but drugs are now legal in Mexico, okay. Here's how much you can carry! For "personal use," Dr. Gonzo:
The maximum amount of marijuana for "personal use" under the new law is 5 grams-the equivalent of about four joints. The limit is a half gram for cocaine, the equivalent of about 4 "lines." For other drugs, the limits are 50 milligrams of heroin, 40 milligrams for methamphetamine and 0.015 milligrams for LSD.