How Many Days a Week Should You Do HIIT? A Trainer Weighs In

In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's ...
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How do I get started in the gym lifting weights?

So you've never been to a gym and are keen to start, but something's holding you back. Perhaps you don't know what to actually do in there or feel like you'll just look stupid in front of everyone.