People who exercise often have strong biases confirming the efficacy of the type of exercise that they enjoy most. Weight training, running, Crossfit, yoga, ma

People who exercise often have strong biases confirming the efficacy of the type of exercise that they enjoy most. Weight training, running, Crossfit, yoga, martial arts - I've heard enthusiasts of all of these forms of exercise claim that it's absolute best form of exercise that makes all other unnecessary. Aside from any journalistic biases, I assume that the author really, really likes running.