Defining an addiction can be as difficult as breaking the habbits that satisfy your endless cravings. Here's a a survey of today's addictions you may not even be aware you have and a look at one way an addiction can affect the brain. You will need to install or upgrade your Flash Player to be able to view this Flash content. Also, Javascript must be turned on.

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TIME graphic by Feilding Cage and Joe Lertola
Kristina Dell and Meg Massey contributed to this graphic
SOURCES: Department of Health and Human Services, SAMHSA Office of Applied Studies 2005 National Survey on Drug Use and Health (ages 12 years and up); American Heart Association; Johns Hopkins University study, Principles of Addiction Medicine; Psychology Today; National Gambling Impact Commission Study; National Council on Problem Gambling; Illinois Institute for Addiction Recovery; Society for Advancement of Sexual Health; All Psych Journal