Cocaine

Cocaine is an alkaloid obtained from leaves of the coca plant and used medically as an anesthetic. It is also widely abused as a drug. Cocaine is classified as a narcotic for legal purposes by the United States government. It causes strong psychological dependence. Cocaine hydrochloride, a water-soluble salt, is a dry white powder, known on the street as "snow" that is usually inhaled through a thin tube inserted into the nostril. More rarely, cocaine …

…of the protein that builds up and causes the brain to crave the drug. Addiction is a complicated process in humans because it is linked to learning and multiple chemical pathways in the brain. So, if some of these can be blocked, then there is no more addiction, and with GVG, there might not be, once it is tested on humans. Since it helped the animals, there is a good chance of it helping us.