Which Comes First, Cardio or Weights?

There’s plenty of conventional wisdom on health and fitness – but how much of it is scientifically sound? The truth is: less than you’d think. In Which Comes First, Cardio or Weights?, physicist and award-winning journalist Alex Hutchinson tackles dozens of commonly held beliefs and looks at just what research science has – and has not – proven to be true: Should I exercise when I’m sick? · Do I get the same workout from the elliptical machine that I get from running? · What role does my brain…