Is anyone really surprised that we now know that marijuana doubles your risk for heart attack and stroke?

Anybody who couldn't figure out that there was something seriously wrong with putting this stuff in your body must of already had brain damage from it. I mean is it really a surprise?

Is anyone really surprised that we now know that marijuana doubles your risk for heart attack and stroke?

I mean come on... We even knew it when I was a teenager...

Is anyone really surprised that we now know that marijuana doubles your risk for heart attack and stroke?
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