How long does it take to get fit again after falling 'out of shape'?

Whether you're recovering from an injury or life simply got in the way, if you’re feeling "out of shape," here's how to get active again.

How long does it take to get fit again after falling 'out of shape'?
Whether you're recovering from an injury or life simply got in the way, if you’re feeling "out of shape," here's how to get active again.