According to British researchers, just seven minutes of exercise weekly may prevent diabetes by controlling your blood sugar. Type 2 diabetes affects an estimated 246 million adults worldwide and accounts for 6 percent of all global deaths. People with this condition gradually lose the ability to use insulin to convert food to energy.

Here's the catch: The exercise has to be vigorous. (We're talking on the level of an all-out sprint.) But at seven minutes a pop, I can deal with that! And you don't even have to do those seven minutes all at once, either. In the study, volunteers rode exercise bikes four times a day in 30-second spurts twice a week. After two weeks, subjects had a 23 percent improvement in how effectively their body cleared blood sugar from their bodies.

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