Learn Psychology: relapse release reversion re-addiction - John was drug-free for almost six months. Then he started hanging out with his addict friends, and he has now started abusing drugs again. This is an example of _______

Learn Psychology: relapse release reversion re-addiction - John was drug-free for almost six months. Then he started hanging out with his addict friends, and he has now started abusing drugs again. This is an example of ________.