Antibiotic drugs save lives. But we simply use them too much — and often for non-lifesaving purposes, like (mis)treating the flu and even raising cheaper chickens. Result: the drugs stop working for everyone. Ramanan Laxminarayan calls on all of us, patients and doctors alike, to think of antibiotics — and their ongoing effectiveness — as a finite resource, and to think twice before we tap into it. It’s a sobering look at how global medical trends can strike home. Watch » Innovation – relearn