Marijuana is psychotropic substance that gets from hemp. The effect on the human body due to the psychotropic substance contained in cannabis.

There are three main types of cannabis` ordinary hemp, Indian hemp and weedy hemp.

Marijuana has been used as an agent for achieving euphoria since ancient times; it was described in a Chinese medical reference traditionally considered to date from 2737 B. C.

Marijuana legal status is different in different countries, from lawful until completely illegal.

The truth is that the best time to start working on keeping your kids off marijuana is before they ever see the drug. Trying to get them off drugs they are already abusing is much, much harder. But it can be done. If you think or know your child or children are already using marijuana (or other drugs), you must start working now to get them clean and sober. To reach your children before they start seeing older kids or adults using drugs, you must start talking to them about it before their teens.