Describing the world of fitness as complicated would be a hefty understatement.
Fitness is also not one-size-fits-all, as exercise and dietary needs differ greatly among individuals (viaCDC).
Some typical cardio exercises are swimming, cycling, running, and walking.

Both machines have their own unique set of pros and cons that are important to consider before using them.
But which machine will help you lose weight faster?
According toLivestrong, the elliptical is often a good choice of cardio machine for beginners.

