Looking to level up your home gym? A vertical climber could be your next fitness essential. These machines simulate a rock-climbing motion, engaging all major muscle groups for a full-body workout.

“Take the stairs” is common advice for getting more activity into your daily routine — and for good reason. Aside from the fact that stairs are typically easy to access, climbing them is a low-impact ...

OK, what is a calorie, anyway? It’s a unit of energy, defined as the amount of energy needed to raise the temperature of 1 liter of water by 1 degree Celsius. (This is your common “food calorie”: ...