[Photos via "Thisiswhyyou'refat.com']

Lately, it they're not talking about our falling economy, the news outlets are obsessed with discussing weight issues.  Oprah has packed on more than 40 pounds ("With all the other things that I know how to do and all the other things that I'm so great at and all the other accomplishments, I can't believe I'm still talking about weight.") And our own president has commented on Jessica Simpson's recent weight gain.  Which is why our latest favorite Tumblr "This is why you're fat" seems so relevant right now.  And disgusting.  More of our favorites below....

Deep Fried Twinkie on stick

Deep Dish Pizza

A skewered sandwich/burger made up of a powered french toast dessert, a chicken sandwich, a salad sandwich and a hamburger.