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STUDY: Bike-Sharing Hurts Brains

US President Barack Obama and his daught

Huh:

Brain injuries in several cities, including in Washington, D.C., are on the rise according to a recent study.

Surprisingly, research shows they may be linked to bike-sharing programs.

Interesting, but the study might suffer from a self-selection bias, as bike-sharing programs are usually favored by leftists.