Fasting: Should You Exercise On Empty?

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(CNN)- Food is fuel. So what would happen to your exercise regimen if you weren’t eating your standard three meals (plus snacks) per day?

Intermittent fasting, which can involve anything from fasting for 14 hours at a time to forgoing food a couple days a week, is all about restricting food consumption during specified periods. You consume little to no calories during “fasting” periods, and eat pretty normally during “feasting” times.

The end result is impressive weight loss, according to many devotees of this trendy diet. Some intermittent fasting methods even claim that this on-and-off eating plan can help regulate blood sugar, prevent diabetes, lower the risk of heart disease and slow the aging process.

Here’s the catch: The timing of when you do (or don’t) eat can have a major impact on your workout. Is it risky to exercise on an empty stomach?

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