Dr. Drew Is Pro Guns

Posted Sep 25th 2008 1:50PM by TMZ Staff

"Celebrity Rehab" star Dr. Drew Pinsky appears to be hooked on working out. Who knew?!

The 50-year-old doc (right) compared ripped biceps with his less endowed "Loveline" co-host Stryker (left) and ridiculously pumped "American Gladiator" Titan (center).

Can you get addicted to protein shakes?

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