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Tuesday, October 18, 2016
METABOLISM
Resting metabolism dropped 11% in women who lost 11%
Resting metabolism dropped by 11 percent in women who lost 11 percent of their body according to a study from the Institute of Medicine in Toulouse, France.
This decrease in metabolism was maintained after the women's weight stabilized.
The women lost an average of 22 pounds, dropping from 195 pounds to 173 pounds.
Resting metabolism dropped by 267 calories per day, from 1690 calories to 1423 calories per day.
"To summarize, the present study confirmed that steady weight loss in humans is accompanied by a decrease in [resting metabolism]," the researchers concluded. Read the entire article | Email this article
This decrease in metabolism was maintained after the women's weight stabilized.
The women lost an average of 22 pounds, dropping from 195 pounds to 173 pounds.
Resting metabolism dropped by 267 calories per day, from 1690 calories to 1423 calories per day.
"To summarize, the present study confirmed that steady weight loss in humans is accompanied by a decrease in [resting metabolism]," the researchers concluded. Read the entire article | Email this article
METABOLISM
Female metabolism 11 percent lower than males after adjustment for height, weight and age
Female metabolism is 11 percent slower than males even after adjustment for height, weight and age according to a 1996 study.
This included looking at total calories burned, basal metabolic rate and calories burned during exercise. Read the entire article | Email this article
This included looking at total calories burned, basal metabolic rate and calories burned during exercise. Read the entire article | Email this article
RESTING METABOLISM
Resting metabolism falls by 15 calories per day for every 2.2 lbs lost for a low-calorie diet
Resting metabolism slows by 15 calories for every 2.2 pounds that is lost on a low-calorie diet according to a 2009 paper by Eric Doucet and A. Schwartz from the University of Ottawa in Ottawa, Ontario, Canada.
This was true for both men and women.
So if you lose 22 lbs, resting metabolism falls by 150 calories per day. Read the entire article | Email this article
This was true for both men and women.
So if you lose 22 lbs, resting metabolism falls by 150 calories per day. Read the entire article | Email this article
RESTING METABOLISM
Resting metabolism falls by 11 calories per day for every 2.2 lbs lost from surgery
Resting metabolism slows by 11 calories per day for every 2.2 pounds that is lost from weight loss surgery according to a 2009 paper by Eric Doucet and A. Schwartz from the University of Ottawa in Ottawa, Ontario, Canada.
This was less than the decrease of 15 calories per day seen with weight loss from a low-calorie diet. Read the entire article | Email this article
This was less than the decrease of 15 calories per day seen with weight loss from a low-calorie diet. Read the entire article | Email this article
RESTING METABOLISM
Resting metabolism falls by 25 calories per day for every 2.2 lbs lost from liposuction
Resting metabolism slows by 25 calories per day for every 2.2 pounds that is lost from weight loss due to liposuction surgery according to a 2009 paper by Eric Doucet and A. Schwartz from the University of Ottawa in Ottawa, Ontario, Canada.
This may be because body fat releases leptin, a hormone which decreases appetite and increases metabolism, therefore, by removing fat cells, liposuction may decrease leptin levels, and thus, decrease resting metabolism.
Studies have shown that giving leptin injections "reverse the effects of weight loss on resting [metabolism]," the paper notes.
This was much greater than the decrease of 15 calories per day seen with weight loss from a low-calorie diet, and the 11 calorie decrease seen with weight loss surgery. Read the entire article | Email this article
This may be because body fat releases leptin, a hormone which decreases appetite and increases metabolism, therefore, by removing fat cells, liposuction may decrease leptin levels, and thus, decrease resting metabolism.
Studies have shown that giving leptin injections "reverse the effects of weight loss on resting [metabolism]," the paper notes.
This was much greater than the decrease of 15 calories per day seen with weight loss from a low-calorie diet, and the 11 calorie decrease seen with weight loss surgery. Read the entire article | Email this article
Thursday, April 26, 2012
METABOLISM
Losing 17 lbs decreases calories burned by 120 calories per day
People losing an average of 17 lbs over six months had a reduction in total calories burned per day of 120 calories per day according to a recent study. This included a decrease in resting metabolism of 138 calories per day. The greater the weight loss, the greater the decrease in total calorie burned and in resting metabolism.
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Monday, October 31, 2011
BOOK - WHY WE GET FAT
When we eat less, we get hungry and move less, and metabolism slows down, notes Gary Taubes
"If we restrict the amount of food an animal can eat..., not only does it get hungry, but it actually expends less energy. Its metabolic rate slows down. Its cells burn less energy (because they have less energy to burn). And when it gets a chance to eat as much as it wants, it gains the weight right back," Gary Taubes writes in his excellent book Why We Get Fat and What To Do About It.
"The same is true for humans."
"Eventually, our bodies compensate."
Therefore, as Taubes points out, the advice we have been given by health experts, that losing weight is simply a matter of diet and exercise, ignores this fact, and can only lead to temporary weight loss. Read the entire article | Email this article
"The same is true for humans."
"Eventually, our bodies compensate."
Therefore, as Taubes points out, the advice we have been given by health experts, that losing weight is simply a matter of diet and exercise, ignores this fact, and can only lead to temporary weight loss. Read the entire article | Email this article
Wednesday, December 08, 2010
NICOTINE
Smoking increases metabolism
High-nicotine cigarettes increase metabolism more than low nicotine cigarettes according to one study. Resting metabolism increased 6.8 percent after one cigarette of either the high (1.74 mg nicotine) or low nicotine (0.8 mg). However, after several cigarettes metabolism increased more with the high-nicotine cigarettes than the low ones -- an increase in metabolism of of 9.8% versus 5.9 percent.
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Wednesday, September 29, 2010
STRESS & FRUCTOSE
Stress and high-fat, high-sugar diet decreases stimulation of fat-burning adrenaline receptors
Chronic stress and a high-fat, high-sugar diet decrease stimulation adrenaline receptors involved in burning fat and reducing appetite notes a recent paper.
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Tuesday, August 10, 2010
THERMOGENESIS
Obese have blunted thermogenesis in response to dietary fat
Obese people's metabolism does not increase in response to dietary fat the same way that lean people do according to a study from researchers at Maastricht University in The Netherlands.
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Thursday, July 31, 2008
CALORIES BURNED
Obese women could burn an additional 300 calories per day if they stood more, sat less
Resting metabolism in obese women was similar to that of lean women (1601 calories per day versus 1505 calories per day), however, obese women sat 2.5 hours more each day (12.7 hours versus 10.1 hours), stood 2 hours less each day (2.7 hours versus 4.7 hours) and spent half as much time in activity than lean women (2.6 hours versus 5.4 hours) according to a new study.
This difference in activity accounted for an additional 300 calories burned in lean women.
The authors of the study concluded that "If the obese women adopted the activity patterns of the lean women, including a modification of posture allocation, an additional 300 [calories] could be expended every day."
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This difference in activity accounted for an additional 300 calories burned in lean women.
The authors of the study concluded that "If the obese women adopted the activity patterns of the lean women, including a modification of posture allocation, an additional 300 [calories] could be expended every day."
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Thursday, April 26, 2007
EXERCISE
Obese burn less fat during exercise
Obese people release less fat from fat cells and burn less fat during exercise than lean people a new paper notes.
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Friday, February 23, 2007
PROTEIN’S EFFECT ON METABOLISM
Animal protein raises metabolism 1.9% more than soy protein, 3.9% more than carbohydrates
Animal protein (pork) causes people to burn 1.9 percent more calories per day than vegetable protein (soy) and 3.8 percent more than carbohydrates according to a study from 2000.
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Thursday, February 15, 2007
EXPECTED WEIGHT LOSS
Obese people lose only half as much weight as expected on low calorie diet
"[O]bese subjects participating in [low calorie diet] programs have a weight loss less than half of that predicted," according to a new study by Steven Heymsfield and colleagues at Merck Research Laboratories in Rahway, New Jersey. In some studies, the weight loss was less than one-fourth of that which was predicted. The reason? Most is probably due to patients not following the prescribed diet or, to a lesser extent, a decrease in metabolism that scientists currently do not recognize in their current calculations the paper concludes.
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Thursday, June 01, 2006
BASAL METABOLISM
Overeating does not increase basal metabolism long-term
Overeating does not increase basal metabolism long-term according to a new study from the the Mayo Clinic.
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Sunday, March 05, 2006
METABOLISM
Boosting metabolism: Ephedrine, caffeine and theophylline boosts metabolism 8% or 150 calories a day
A pill sold in England known as the "Do-Do" pill, which at the time contained 22 mg ephedrine plus 30 mg caffeine plus 50 mg theophylline, increased the number of calories burned by 8 percent per day which represents 153 calories per day or 15 pounds per year.
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METABOLISM
Boosting metabolism: Green Tea boosts metabolism 4%
Green tea increases metabolism by 4 percent per day according to one study.
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METABOLISM
Boosting metabolism: Oolong Tea boosts metabolism 2.9%
Oolong tea, which is partially fermented / partially oxidized green tea -- all tea comes from the same leaves -- has been shown to increase metabolism 2.9 percent per day or about 66 calories.
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METABOLISM
Boosting metabolism: High-protein diet boosts metabolism
A high-protein diet attenuates the decrease in metabolism seen following weight loss according to one study.
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METABOLISM
Boosting metabolism: Vitamins boost metabolism in men by 4%
Males who take vitamins weigh less, have less body fat and have a higher resting metabolism even after accounting for age, calorie intake and calories expended during physical activities than males that do not take vitamins according to a well-respected group of obesity researchers.
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METABOLISM
Boosting metabolism: Meridia (sibutramine) raises metabolism in men
Meridia (sibutramine), and I assume other noradrenaline reuptake inhibitors, may increase metabolism slightly. They may increase metabolism in men more than women according to the research.
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METABOLISM
Boosting metabolism: Replacing fat with simple sugar raises metabolism 7%
Replacing fat in the diet with simple sugars increases metabolism according to a recent study.
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Friday, March 03, 2006
METABOLISM
A drop in metabolism following weight loss may cause the high rate of weight regain
"Metabolic adjustments occur with weight loss that may contribute to a high rate of weight regain," according to a paper by Paul McClean from the Division of Endocrinology, Diabetes, and Metabolism at the University of Colorado and others.
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Read the entire article | Email this article
Wednesday, May 18, 2005
METABOLISM
Weight loss following overeating due to increase in metabolism, not due to fall in appetite
Normal weight adults who ate 35 percent more calories than normal for two weeks gained an average of 5.1 pounds according to a new study.
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Tuesday, March 08, 2005
THYROID HORMONES
T3 thyroid hormone increases resting metabolism
T3 thyroid hormone plays a major role in determining resting metabolism independent of fat-free mass (muscle) according to a new study from Germany.
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Tuesday, February 22, 2005
CALORIES
An extra 24 calories per day will cause men to gain of 3.9 lbs per year, women 4.6 lbs
How much weight will a person gain if they consume an extra 24 calories per day for a year? Men will gain 3.9 pounds in a year, while women will gain 4.6 pounds according to a new study from Denmark. Yikes!
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Wednesday, January 26, 2005
LOW METABOLISM
Low metabolism and low thyroid found in formerly obese
Resting metabolism was found to be 8 percent lower in formerly-obese women when compared to never-obese women who were matched for age, fat mass, and fat-free mass (1399 versus 1531 calories per day, respectively, a difference of 132 calories) according to a recent study.
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Wednesday, April 07, 2004
Formerly-obese people show low metabolism, low T3 thyroid hormone
RESTING METABOLIC RATE was found to be 8 percent lower in formerly-obese women than in non-obese women according to a recent study.
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Monday, April 05, 2004
Green Tea Extract for fat loss: An interview with researcher Dr. Abdul Dulloo
"An extract of Green tea has thermogenic properties and promotes fat oxidation beyond that explained by its caffeine content," says obesity researcher Abdul Dulloo, M.D., Ph.D. from the Institute of Physiology at the University of Fribourg in Fribourg, Switzerland.
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Sunday, March 28, 2004
Obese have Low Metabolism following meals
Metabolism rises for several hours following a meal. This is called the thermic effect of food. However, this rise is blunted in people who are obese "which could contribute to the development of obesity" concluded researchers from the German Institute of Human Nutrition.
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Tuesday, December 02, 2003
Green tea boost daily calorie output 4 percent
Green tea increases the number of calories burned as well as the amount of fat that is burned according to recent research. This calorie-boosting effect is not simply a result of green tea's caffeine content, but also involves green tea polyphenols.
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