Webmd: Determining Your Metabolism
... determining your metabolism. diet & nutrition estimate your metabolism based on activity level, ability to lose ...
Metabolism Information
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Metabolism
articles about metabolism. resources for metabolism. choices for metabolism.
Metabolism Directory
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Suvaril Online Specials Metabolism Information
suvaril is an all natural weight loss supplement which helps maintain healthy metabolism levels by supplying key nutrients to the body. ... beginning in their 30s, most people experience a drop in met
Metabolism Information
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Basal Metabolic Rate (BMR)
-In order to compare one person's metabolism with another's, scientists have devised a new buzz word - basal metabolic rate (BMR). Your BMR is the rate at which you use u
p energy when at rest - e.g. when you are sleeping or just lying in bed. You might call it your tick over speed.
- The more you weigh the higher your BMR will be. The metabolic rate of very fat wom
en is 25% higher than that of thin women.
- BMR is much greater in childhood than in adulthood. After the age of about 20, it drops about 2 per cent, per decade.
- People whose bodies contai
n a higher proportion of muscle to fat, tend to have a higher BMR than those with lower muscular proportions - all other things being equal.
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Even if more exercise is undertaken a net loss of protein can occur if calorie intake is low.
-Remember dieters reduce their calorie intake but exercise uses extra carbs so the body must breakdown
extra protein to convert into carbohydrates. More carbs are needed because a less fit individual often has an untrained cardiovascular system and cannot supply enough oxygen for cells to burn fat for
energy during the exercise. Also if no exercise is performed the body has no need to use extra body fat because so little energy is required when inactive.
-Exercise can increase metabolism but the
trick for the unfit person is to perform the correct exercise and not cut calories too much too soon. To lose FAT weight fast the best way is to prepare the body by increasing the metabolism BEFORE c
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The 5 things you need to know about Basal Metabolic Rate (Metabolism)
-(1) The higher your BMR, the easier it is to lose weight
-(2) Your Basal Metabolic Rate decreases when you go on a diet wh
ich has fewer calories than your normal diet
-(3) Your BMR increases in response to increased physical activity
-(4) Exercise is the ONLY effective way to increase your BMR
-(5) Obesity is no
t caused by a slow BMR
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living things must have an unceasing supply of energy and matter. The transformation of this energy and matter within the body is called metabolism.
-Catabolism
-Catabolism is destructive metab
olism. Typically, in catabolism, larger organic molecules are broken down into smaller constituents. This usually occurs with the release of energy (usually as ATP).
-Anabolism
-Anabolism is co
nstructive metabolism. Typically, in anabolism, small precursor molecules are assembled into larger organic molecules. This always requires the input of energy (often as ATP).
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Effective fat loss cannot occur when the metabolism is low!
-Its a physiological fact that when losing weight we also lose protein from muscle. The faster the weight loss the more protein is used f
or energy and/or protein synthesis and a net loss of protein will always decrease the metabolism.
-As protein is lost from cells it gradually lowers the total lean body weight, this affects the bo
dy composition and lowers the metabolism. As this occurs it means we gradually require less calories to maintain weight so if the present diet is continued results will eventually stop, its even possi
ble to slowly GAIN back weight that was previously lost!
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How does Human Metabolism Work?- Thermic Effect of Food (TEF)
-The body uses energy to digest and absorb the nutrients present in the food we eat. The rate of energy used for the TEF is about 10%,
it can be increased depending on the composition of each meal.
-The TEF causes much confusion when dieters calculate calories in and out. For example;
-If we overeat the TEF actually increases
due to more food to digest, the stomach and intestines have to work harder and longer. It means if we ate an extra 3500 calories ( number of calories per pound of fat ) we wouldn't actually gain 1 pou
nd of body fat because the TEF has to be accounted for, we would gain less.
-The opposite also happens if we cut 3500 calories to lose 1 pound. The TEF decreases because there would be less food/n
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