You can always rely on a high-intensity workout to leave you feeling sweaty and exhausted. But a longer workout isn't necessarily better. And a new approach that's gaining fans on social media only ...

A new study finds that short, functional-movement and resistance training workouts, called functional high-intensity training (F-HIT), may improve beta-cell function in adults with type 2 diabetes.

For those who live to sweat — but maybe want a chance to fully catch their breath — SIT is the new HIIT. HIIT, or high-intensity interval training, includes bursts (typically 30 seconds to a few ...