His fat-burning indicator test returned a positive result as well, suggesting that he would burn fat if he exercised immediately.

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When he told his TV audience of millions that Raspberry Ketone and Green Coffee Extract capsules can help them burn fat, stores immediately started selling out of the products, and suppliers went into hyper-drive to keep retailers flush with the expensive, Oz-approved supplements.

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Arriving just after breakfast, our first stop was at the Hunger Analyzer station, where DoCoMo reps were on hand with a Bluetooth accessory that measures acetone levels, sending results to an app that determines not only if it's time for you to eat, but also whether or not your body is in a good position to burn fat with exercise.

ENGADGET: NTT DoCoMo bad breath, body fat and food analyzers hands-on (video)

Yes, we burn more calories proportionately from fat at lower intensity, but we burn far more calories, period, at higher intensity.

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Back in the day we realized that proportionally, we burn more calories from fat at lower intensities.

FORBES: How Short And Intense Workouts Changed Fitness For Everyone

The MyFit (YP-W1), which features the first wellness-promoting technology, helps users monitor stress level, fat thickness, calorie intake and burn, and exercise effectiveness.

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The facility, which would burn vegetable oil and animal fat, could power up to 18, 000 homes and start operating from the beginning of 2015, according to Edgeley Green Power.

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It's likely that people noticed that that when they cooked meat, fat dripping onto the fire caused it to burn brighter.

FORBES: Magazine Article