Photo by Lauren King

Bust fitness myths with this new book.

Pop quiz!

Q: Which should I do first--cardio or weights?
A: Click here.

Q: Should I exercise when I'm sick?
A: Click here.

Q: Is it OK to have sex the night before a big competition?
A: Click here.

In his new book, Which Comes First, Cardio or Weights?, physicist and award-winning journalist Alex Hutchinson, PhD, tackles these burning fitness questions and more than a hundred more fitness myths. Using the latest research, his science-backed tips will help you get the most out of your workouts, whether your goal is losing weight, sculpting svelte muscles or improving your race time. We love the helpful diagrams and practical bullet points at the end of each chapter.

Check out the head-scratching fitness questions here.

Order here.

Sweat smarter.

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