This article really points out that nearly anything can constitute an addictive substance, if abused. Which isn't a very novel observation, but it does make one wonder- what is it about modern society that leads to so many addictions? Why are we so stressed and depressed? Or is it just the availability of these substances makes it easier to self-soothe, whereas in the past people were too busy surviving or lived austerely so they had to meditate or embrace stoicism.