Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...

The debate about how hard to push during exercise has persisted for decades, with fitness approaches swinging between high-intensity interval training and gentler, steady-state activities. However, ...

When your trainer challenges you to hold a plank for a minute, it can feel like the seconds drag by. You're constantly adjusting -- lifting your hips, but not too high -- to make sure you're targeting ...

Adults need 150 minutes a week – about 20 minutes per day – of moderate to intense physical activity, according to guidelines from the Department of Health and Human Services. This can take the form ...