I think there is a simpler solution than using drugs. Like noted above Skinner found out that random rewards are much more addictive than predictable rewards.

I think there is a simpler solution than using drugs. Like noted above Skinner found out that random rewards are much more addictive than predictable rewards. So to make something less addictive you need to make rewards more predictable. So the tip about checking email (or whatever) a few times each day or in specified intervals is generally good as this will make rewards more predictable and less addictive.