Mischa Feels Burn -- Smokes at the Gym

3/23/2009 12:25 PM PDT
It's possibly the dumbest workout strategy ever: Mischa Barton burning up a cancer stick on her way into a gym -- for a cardio workout?!

Dumbass huffed and puffed a little cyanide, nicotine and formaldehyde into her body before walking into Jukari Fit to Fly gym this weekend. How's that for a warm-up?