In spite of what efforts to legalize and popular culture would lead you to think, it's a proven and conclusive indisputable fact that marijuana can be an addictive drug that may bring about both short and long-term physical and psychological injury to users. Much like other substances, anyone who has used marijuana for an extended period of time will become dependent on its effects and definately will encounter withdrawal symptoms whenever they initially stop using marijuana. Users today have very high grade marijuana available which wasn't the case 10-20 years ago, making it a much bigger problem.

Somebody that uses marijuana often is significantly changing the way the brain functions, so the brain can't just automatically return to normal function once the individual ceases using marijuana, this will take some time. Individuals actually detox from marijuana, like every other drug, as marijuana is eliminated from the body and the body readjusts to normal operation without marijuana. So marijuana detox is usually a challenge for habitual users, because individuals will encounter withdrawal symptoms that may be hard to endure. These symptoms might not be as physical in nature as heroin withdrawal for instance, but marijuana detox and withdrawal can cause severe depression and other psychological symptoms for chronic users. That is why relapse is really common for individuals who attempt to cease using marijuana by themselves. Marijuana detox services are offered at alcohol and drug detox and drug treatment facilities in Havana to help people through this process so that they don't relapse and can receive further rehabilitation services following detox.