Photo: Jack Oughton

What’s the best exercise to burn fat? Will lifting weights really make me bulky? The world of fitness and exercise can get pretty confusing, but at Greatist, our goal is to make better decisions simpler.

That’s why we’re launching a new weekly series to put the biggest fitness myths to the test. Each week, we’ll tackle a new question or commonly held belief and give you the straight facts, current research, and expert takes — all in just a few paragraphs.

Ready to get some answers? Vote now for which fitness myth you want tackled first, and suggest your own additions in the comments below!