Calories is an energy measurement of the amount of energy obtained from food that is available through cellular respiration.

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What's my GDA to lose weight?

I'm 5 feet 11 and I weight 189 pounds, I'm trying to lose some weight to reach 176 pounds. My calculated GDA (with online tools) should be 2800 Kcal/per day. My question is: if I lower this value to ...
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Approx. how many calories can I figure I burn per mile?

I walk, on average, a 15 minute mile and on flat terrain. I weight 150 lbs and I'm about 5' 7" with a medium build. I'm trying to manage my overall health and want to ensure my exercise is balancing ...
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Roughly how many calories does one pull-up burn?

Here are my back-of-the-envelope calculations. I account only for the energy expended in pulling your body mass up. Say you are 70kg (approx 155lbs) and a pull up raises your mass up by 60cm (approx ...
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Do the calories from high-GI foods eaten in the morning count towards the energy you have in your evening workout?

I guess I have multiple questions stemming from this one question actually. Example scenario: Let's say a bodybuilder needs 2500 calories to be in a caloric surplus. Of his daily calorie intake, 15% ...
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Where does energy come from?

When we exercise we burn calories. My question is that, exercising with empty stomach is beneficial or it has no effect? Some people say that you burn more calories with empty stomach. Does calories ...
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Does slowly increasing calories mean lean gains?

Have there ever been any academic studies on how slowly increasing calories vs quickly increasing calories effects muscle gain and body fat for people who weight train / body build? By slowly ...
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Activity Tracker and Elliptical

I own the Fitbit Force, and wanted to know if I were to wear it while running, elliptical or stairclimber does it convert the miles/floors to calories burnt? If I were to also use runkeeper are the ...
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Calories Burned

Suppose a person's BMR is 1600 calories. He eats 5000 calories on say Monday. He also runs for 2 hours burning approximately 1200 calories. Let's say the TEF is 500 calories. Also suppose he fasts on ...