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Doctor insights on: Body Absorb Calorie

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Calorie (Definition)

A calorie is the amount of heat energy needed to increase a mililiter of water 1 degree centigrade, the calorie we talk about in foods is really a kilocalorie, that is the amount of energy needed to increase a liter of water 1 degree centigrade... So if you eat a food that is 500 calories that food if burned completely has enough energy to heat a liter of ...Read more


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How fast does bodies absorb calories after a meal?

How fast does bodies absorb calories after a meal?

Very fast: You can absorb calories from the vascular plexus under your tongue. Some will enter your system directly from the stomach which is very fast. The rest after stomach digestion enter the small intestine where the rest are absorbed. ...Read more

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Do healthy gut bacteria help body absorb more calories from food or they burn the calories?

Do healthy gut bacteria help body absorb more calories from food or they burn the calories?

Neither: They live in your colon, after you have absorbed what you need. Any impact is probably minimal. Some of my friends here will disagree, but I would urge you not to waste your time reading our worrying about this fringe stuff and focus of sensible eating and hard workouts. ...Read more

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I only go number 2 every 4 days or so. Does this allow my body to absorb more calories from the foods I eat?

I only go number 2 every 4 days or so. Does this allow my body to absorb more calories from the foods I eat?

No: But it does suggest that you need more fiber, fluid & physical activity to get your bowels moving a bit more frequently. With that said, as long as you're not straining to pass a bowel movement, then you're probably normal as stool frequency varies greatly. To be on the safe side, if you're also overweight, lethargic & intolerant of cold, consider asking your doc to check your thyroid function. ...Read more

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If I eat and get diarrhea in less than an hour after eating, does my body still absorb the calories and nutrients from that meal? I have stomach bug

If I eat and get diarrhea in less than an hour after eating, does my body still absorb the calories and nutrients from that meal? I have stomach bug

Infection?: If the problem is due to infection, then it should be limited and you should be ok once the infection or the problem is cleared, if it is an ongoing problem, then you have to see your doctor to find out why. ...Read more

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I am puzzled about how many calories my body burns on its own?

I am puzzled about how many calories my body burns on its own?

BMR: BMR basal metabolic rate is the amount of calories that are burned to keep the body functioning, this varies depending on size and muscle mass, may range from 1200 kcal to over 2000kcal depending on the individual ...Read more

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Could your body consume calories slower if you're lacking sleep?

Could your body consume calories slower if you're lacking sleep?

Metabolism: You may burn calories more slowly if you dont' have adequate sleep. ...Read more

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Would consuming only 1000 calories put my body into starvation mode?

Would consuming only 1000 calories put my body into starvation mode?

Depends: It depends on your body's Total Energy Needs, and your Energy Availability (Calories In minus exercise and other daily activities). If you are in negative Energy Balance, you may lose weight or your body may go into conservation /starvation mode and lower your metabolic rate instead. ...Read more

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Would my body really go into starvation mode if I were to eat at 1000 calories?

Would my body really go into starvation mode if I were to eat at 1000 calories?

Starvation mode: Yes. Starvation: go to Wikipedia and read about the Minnesota expreimets and then read Ancel Keys The Biology of Human Starvation. ...Read more

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Is it true that eating below 1200 calories puts your body into starvation mode?

Is it true that eating below 1200 calories puts your body into starvation mode?

Yes and no: Your calorie requirement is dependent on your height, weight, activity level. If you take all 1200 calorie at night and not eat breakfast and lunch you can still gain weight. If you spread that same amount calorie over 3 meals then you will lose weight because that keeps your metabolism up.
Not eating all day your metabolism will slow down and be in a hibernation state. ...Read more

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How much body fat can you lose on a 1300 calorie diet exercising six days a week?

How much body fat can you lose on a 1300 calorie diet exercising six days a week?

3500 deficit = 1lb: Find some online calculators to help you calculate your daily energy expenditure with your form of exercise. So, if are burning 1800 calories each day, then you'll have a 500 cal deficit and lose 1pound each week. ...Read more

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Could you tell me what happens to food in one's body when one burns off calories?

Could you tell me what happens to food in one's body when one burns off calories?

Conversion: Calories are another term for energy. Food is used either for building blocks to repair body breakdown or to provide a source of fuel (energy) for the body. What ever is not needed for either of those two purposes is disposed of as waste. ...Read more

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Help please! Is eating 2000 calories of junkfood same as 2000 calories of healthy food for the body?

NO: Numbers do not determine usefulness - as an example: is 5 gallons of gasoline the same as 5 gallons of water to swallow in your body over the next week or so. Of course not - be realistic in the qualtiy of the product and not the numbers attached. ...Read more

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Help please? What is the least amount of calories my body can survive on without going into starvation mode?

Help please? What is the least amount of calories my body can survive on without going into starvation mode?

Starvation mode: This depends on how big you are and how much fat you have. Easy to test. Cut down on calories and use diabetic urine test strips to test for urine ketones. When 4+ you are starving. Eat till ketones go away. Then repeat till you know how much is right for you. ...Read more

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Is it true that being on a restricted calorie diet for a few years, the body will have truoble to gain back fat once back on a normal diet?

Starvation Diet: No. Quite the opposite. Eating normally will cause rapid weight gain and fat deposition since the body will not have a good sense of metabolism. ...Read more

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I have read that fat is 9 calories per gram, but does anyone know how many calories are in 1 ounce of "body fat" (including the water, cells, etc.)?

I have read that fat is 9 calories per gram, but does anyone know how many calories are in 1 ounce of "body fat" (including the water, cells, etc.)?

About 256 Kcal: 256 calories in an ounce of fat, fat is fat, including any water weight which is a part of every cell, cells can't function without water. ...Read more

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How long does it take your body to break down your body fat from anorexic behaviors? Ex. Eating 50% recommended calories, 15% body fat, male, 180 lb

How long does it take your body to break down your body fat from anorexic behaviors? Ex. Eating 50% recommended calories, 15% body fat, male, 180 lb

Planning a diet?: You're actually describing a rigorous weight-loss diet such as athletes undertake to make weight or fitness guys to "get ripped"; it would be an anorexic behavior if it became an obsession or you were likely to hurt yourself. You're at your physical prime and if you can adopt a fitness-focused lifestyle instead of episodic diet, it's be great. Your physician can help. ...Read more

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