This article is about how people get addicted to drugs in the first place. It talks about an experiment that scientist have tested on rats. They have rats consume drugged water and regular water and most of them would return for more until they die. They noticed that the rats who are happy don't consume a lot of the drugged water and drinks the regular water and stays alive. The rats that were lonely and unhappy drinks the drugged water. The likely cause of drug addiction is unhappiness. People who are happy and have a good life can quit drugs easier than people who are depressed and lonely.