Intermittent fasting has exploded in popularity in Silicon Valley. The question is why and what is it?

In Season Two of The 60 Seconds to Unstoppable series, bestselling author Ben Angel breaks it down and shares how you can use it to reduce stress, increase energy and improve mental performance.

Want to become unstoppable in business and in life? Take this 60-second quiz now to find out what's really holding you back, and be sure to grab a copy of Angel's new book, Unstoppable, today.

Related: Nutritional Supplements That Can Improve Your Peak Performance, Sleep and Recovery

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Related:
A Quick Guide to Intermittent Fasting for Entrepreneurs
5 Tips & Tricks For Entrepreneurs On-the-go to Stay Fit
How the Organic Food Industry is Witnessing a Natural Growth

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