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Burning calories

I calculate my bmr and its 1587. So i need to consume this amount of calories for mild activities.My ques is if i consumer only this amount of calories everyday,my body will burn all these calories automatically then why should i exercise? I mean if i m not consmng more calories then i need not to exercise? if not,why?
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Doctor Answers (2) on Burning calories

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Dr. Saurabh Chittora Kota | Internal Medicine
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Great question from your side. But human body is not that simple arithmetic , if you stop exercise you will end up decreasing your BMR too. BMR is a dynamic value and it depends on your food intake, excersice emotional level, harmonal changes, surrounding temperature etc.
Rather I would suggest you to Excersice more, eat more, be happy. All this will increase your BMR also.
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Harisha N L Bangalore | General Physician
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You will have certain advantages by exercise thats why you should do it...during exercise
You'll breathe faster and more deeply. This maximizes the amount of oxygen in your blood. Your heart will beat faster, which increases blood flow to your muscles and back to your lungs.
Your small blood vessels (capillaries) will widen to deliver more oxygen to your muscles and carry away waste products, such as carbon dioxide and lactic acid.
Your body will even release endorphins, natural painkillers that promote an increased sense of well-being.
exercise may make you tired in the short term. But over the long term, you'll enjoy increased stamina and reduced fatigue.
exercise may activate your immune system. This may leave you less susceptible to minor viral illnesses, such as colds and flu.
A stronger heart doesn't need to beat as fast. A stronger heart also pumps blood more efficiently, which improves blood flow to all parts of your body.
Aerobic exercise may ease the gloominess of depression, reduce the tension associated with anxiety and promote relaxation.
Studies show that people who participate in regular exercise live longer than those who don't exercise regularly...
Regards.
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