The advice is common — and vague. Here’s how to do it properly. By Hilary Achauer When I began weight lifting in my late 30s, my coaches often gave me a somewhat baffling cue. “Engage your core,” they ...

A typical New Year’s resolution is to exercise more, although where to start can feel daunting. Some opt for a fitness class; others create a plan with a personal trainer or work out from home.

Stubborn belly fat remains one of the most frustrating challenges for people trying to achieve their ideal body shape. This persistent fat accumulation around the midsection not only affects ...