How Intermittent Fasting Stacks Up Among Obesity-Related Myths, Assumptions, and Evidence-Backed Facts

By Dr Mercola: Is it a good idea to “starve” yourself just a little bit each day? The evidence suggests that yes, avoiding eating around the clock could have a very beneficial impact on your health and longevity.

What we’re talking about here is generally referred to as intermittent fasting, which involves timing your meals to allow for regular periods of fasting.

It takes about six to eight hours for your body to metabolize your glycogen stores and after that you start to shift to burning fat. However, if you are replenishing your glycogen by eating every eight hours (or sooner), you make it far more difficult for your body to use your fat stores as fuel.

It’s long been known that restricting calories in certain animals can increase their lifespan by as much as 50 percent, but more recent research suggests that sudden and intermittent calorie restriction appears to provide the same health benefits as constant calorie restriction, which may be helpful for those who cannot successfully reduce their everyday calorie intake (or aren’t willing to).

Unfortunately, hunger is a basic human drive that can’t be easily suppressed, so anyone attempting to implement serious calorie restriction is virtually guaranteed to fail. Fortunately you don’t have to deprive yourself as virtually all of the benefits from calorie restriction can be achieved through properly applied intermittent fasting.

Three Major Mechanisms by which Fasting Benefits Your Health

While fasting has long gotten a bum rap for being one of the more torturous ways to battle the bulge, it really doesn’t have to be an arduous affair. We’re NOT talking about starving yourself for days on end. Simply restricting your daily eating to a narrower window of time of say 6-8 hours, you can reap the benefits without the suffering. This equates to 16-18 hours worth of fasting each and every day — enough to get your body to shift into fat-burning mode.

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