>But again, additional research suggests that not all exercise is equal. Interestingly, some researchers found that exercise considered drudgery was not benefic

>But again, additional research suggests that not all exercise is equal. Interestingly, some researchers found that exercise considered drudgery was not beneficial in neuronal regeneration, but physical activity that was engaged in purely for fun, even if equal time was spent and equal calories were burned, resulted in neuronal regeneration. D'oh.