Forbes Magazine Asks What Makes An Addiction?

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Blurb
Once upon a time, addiction involved alcohol or drugs. Nowadays, it includes a dazzling array of substances and behaviors. Even more perplexing is that it can involve behaviors that would otherwise be considered healthy, or at least normal, like exercise and shopping. Where do our habits blend into addictions, and how do you know if you’ve got one?
Read more at
http://www.forbes.com/sites/alicegwalton/2011/08/02/alcohol-ice-cream-or-internet-sex-what-makes-an-addiction/