Head Games

Former football player and wrestler Chris Nowinski's quest to publicize recent findings about the often dire consequences of head concussions sustained by athletes in contact sports — injuries that have previously been considered momentary setbacks and ignored in the name of toughness and dedication to the team.

Take Your Pills

In a hypercompetitive world, drugs like Adderall offer students, athletes, coders and others a way to do more -- faster and better. But at what cost?