Unlike its more controversial cousin, THC, CBD (cannabidiol) is a cannabis derivative that doesn't get you high. But advocates say it has a wide range of benefits, from pain relief to anxiety reduction and anti-inflammatory properties. It's also a booming business, appearing in a growing range of products including oils, balms, edibles and vaporizers promising some of the medical benefits of cannabis without the high. TheStreet headed to CBD Expo West to learn more.

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