The way we're currently educating people about heroin is to say that heroin is so awful. Heroin is not so much the problem. It's when you combine it. It's hard to die from heroin alone.

The policy that received more attention particularly in the past decade and a half or so has been the US cocaine policy, the differential treatment of crack versus powder cocaine and question is how my research impacted my view on policy. Clearly that policy is not based on the weight of the scientific evidence. That is when the policy was implemented, the concern about crack cocaine was so great that something had to be done and congress acted in the only way they knew how, they passed policy and that's what a responsible society should do.

I've had investigations of my lab because people didn't like what I had to say. And when you have investigations and you're doing research, you're shut down for a while. You have to start all over again. So that's one area where I paid a high price.

One of the things that has happened is that our drug laws have been institutionalized now. If you want to say that somebody's a bad person in a movie or in a television show or something about that, you say they sell drugs or they use drugs.

The way we're currently educating people about heroin is to say that heroin is so awful. Heroin is not so much the problem. It's when you combine it. It's hard to die from heroin alone.

High Price: A Neuroscientist's Journey of Self-Discovery That Challenges Everything You Know About Drugs and Society.

I think about my cocaine use. I liked it. I thought it was a great drug. But I knew that if I was doing that almost exclusively, I wouldn't be able to continue to also have significant others and a wide range of other things. And I wasn't special. A number of people, including the people I was doing cocaine with, also behaved the same way.