Which Comes First, Cardio or Weights

In Which Comes First, Cardio or Weights? Alex Hutchinson, a physicist, award-winning journalist, and contributing editor of Popular Mechanics magazine, reveals the little-known and often surprising truths that science has uncovered about exercise. A book that ranges from cardio and weights to competition and weight loss, here are fascinating facts and practical tips for fitness buffs, competitive athletes, and popular science fans alike.