Starting out on your fitness journey is daunting enough, let alone buying your first-ever fitness kit. It can be scary to pick up that dumbbell for the first time, or to jump on that first cardio machine. Live Science, spoke with Jason Krystofiak, MD, CAQSM, Division Chief of Sports Medicine at Cooperman Barnabas Medical Center on how to know which exercise equipment is best for you and three particular factors of importance — your comfort, safety and enjoyment. Read more here.