10/11/2012 04:06 pm ET Updated Dec 06, 2017

WATCH: The Cornerstone To Keeping Yourself Fit, From Terri Walsh

Celebrity fitness trainer and lifestyle expert Terri Walsh spoke about why walking is underestimated when she met with me on Mondays With Marlo. Walking is a cornerstone of keeping yourself fit and the more you walk, the better you will feel.

For more tips on getting fit and staying in shape, see Terri Walsh's Tips For Fitness And Beauty:

Terri Walsh's Tips For Fitness and Beauty

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