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Topic: Metabolic rate


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In the News (Thu 26 Nov 09)

  
  Live fast, die old: High metabolic rate gives mice a longer life
Mice with sky-high metabolic rates live far longer than their sluggish cousins, UK researchers have found, raising the prospect that human lifespan might be lengthened with metabolism-boosting drugs.
Metabolic rate is the pace at which the body burns food to produce energy.
Speakman now plans to test if a higher metabolic rate can prolong human life, but he cautions that a quick fix to ageing is unlikely to be just around the corner.
cmbi.bjmu.edu.cn /news/0406/6.htm   (492 words)

  
  Basal metabolic rate -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-07)
Basal metabolic rate (BMR), is the rate of (The organic processes (in a cell or organism) that are necessary for life) metabolism when an individual is at rest in a warm envirnonment and is in the post absorptive state, and have not eaten for at least 12 hours.
Basal metabolic rate is measured under very restrictive circumstances.
A more common and closely related term used in many cases is resting metabolic rate (RMR), which is measured under less strict conditions.
www.absoluteastronomy.com /encyclopedia/b/ba/basal_metabolic_rate.htm   (153 words)

  
 Genetic and environmental conditions that increase longevity in Caenorhabditis elegans decrease metabolic rate.   (Site not responding. Last check: 2007-11-07)
In ectotherms, longevity is often negatively correlated with metabolic rate.
elegans mutants may be a consequence of a reduction in their metabolic rate, rather than an alteration of a genetic pathway that leads to enhanced longevity while maintaining normal physiology.
The actual mechanism responsible for the inverse correlation between metabolic rate and longevity remains unknown.
www.arclab.org /medlineupdates/abstract_10500188.html   (191 words)

  
 Virtual Naval Hospital: Navy Health Book   (Site not responding. Last check: 2007-11-07)
A person’s basal metabolic rate is based on body functions such as respiration, digestion, heartbeat and brain function.
A person with low basal metabolic rate may gain weight easier and have a harder time losing weight than someone whose metabolic rate is relatively high.
If you have a low rate, it may not be the result of a sluggish metabolism but because you have a low level of muscle mass.
www.vnh.org /NHB/HW9933Metabolism.html   (411 words)

  
 Metabolic Rate Vegetarians
In very simple terms, your metabolism is the rate at which your body operates as it performs it's bodily functions.
Sometimes referred to as Resting Metabolic Rate (RMR), BMR is the number of calories you burn at rest, when sleeping or simply sitting in a chair.
For example, the metabolic rate of very overweight women is 25% higher than that of thin women.
www.vegetarian-diet.info /metabolic-rate.htm   (672 words)

  
 The feed zone - That Resting Metabolic Rate
When heart rate monitor is used to measure energy expenditure, it is based on a linear relationship between heart rate and oxygen consumption that exists for each person.
However, the same heart rate may not correspond to the same level of oxygen consumption in each person, and there is individual variability, so it is only estimation.
When you input your weight into the heart rate monitor and estimate your max heart rate, this results in only an estimate of the calories burned based on a one size fits all equation.
www.velonews.com /train/articles/9116.0.html   (954 words)

  
 Can ginger increase metabolic rate and improve circulation in the hands and feet?
A pilot trial to discover whether ginger root can increase metabolic rate and improve circulation in the hands and feet is getting under way at The University of Reading.
The "warming" effects of other herbs, including chilli and mustard, have been shown to be associated with increased metabolic rate, but the "warming" effects of ginger have not been properly investigated.
Metabolic rate will be determined by placing a clear plastic hood over the head to collect exhaled air.
www.news-medical.net /print_article.asp?id=2709   (398 words)

  
 High metabolic rate gives mice a longer life   (Site not responding. Last check: 2007-11-07)
Mice with sky-high metabolic rates live far longer than their sluggish cousins, UK researchers have found, raising the prospect that human lifespan might be lengthened with metabolism-boosting drugs.
Metabolic rate is the pace at which the body burns food to produce energy.
Speakman now plans to test if a higher metabolic rate can prolong human life, but he cautions that a quick fix to ageing is unlikely to be just around the corner.
www.cryonet.org /cgi-bin/dsp.cgi?msg=24207   (453 words)

  
 Guide To Metabolism and Basal Metabolic Rate
In very simple terms, your metabolism is the rate at which your individual body burns up energy.
The metabolic rate of very fat women is 25% higher than that of thin women.
Except in the rare cases of serious metabolic illness it is not possible to blame your metabolism for obesity.
www.diet-i.com /weight_loss/metabolism.htm   (643 words)

  
 Basal Metabolic Rate Number In Diet Plan   (Site not responding. Last check: 2007-11-07)
Your basal metabolic rate (BMR) is the number of calories your...
Metabolic Rate is the number of calories your body needs while at rest.
Basal Metabolic Rate (BMR) is the number of calories your body...
weightloss.favorite-sites.com /basal-metabolic-rate-number-in-diet-plan.html   (404 words)

  
 metabolic rate and exercise
Metabolic Rate And Exercise: Researchers have been trying to puzzle out the effects of exercise on energy expenditure (calorie burning) for decades.
One expert reviewed the evidence and concluded that metabolic rate is between 5 and 19% higher in highly active compared to sedentary individuals ('Impact of energy intake and exercise on resting metabolic rate', Mole et al, Sports Medicine, vol 10, pp 72-87).
It seems that their metabolic rate slows to conserve calories as a defence mechanism, similar to the way metabolism slows in slimmers as a defence against starvation.
www.pponline.co.uk /encyc/0120.htm   (1896 words)

  
 metabolic time   (Site not responding. Last check: 2007-11-07)
What is common here is the increase of heart rate, and therefore metabolic processing, and the apparent slowing of time, together with the slowing of heart rate and the apparent increase in time.
(Metabolic rate is the rate at which we convert, or oxidize, mass into energy).
This compensation is demonstrated in the fact that going to sleep with a high metabolic rate doubles the period of time one would sleep with a normal metabolic rate.
members.ozemail.com.au /~ddiamond/meta.html   (1051 words)

  
 Metabolic Diet FAQ Answers   (Site not responding. Last check: 2007-11-07)
The Anabolic Diet was the predecessor for the Metabolic Diet and was originally written for competitive bodybuilders so they could get down to very low levels of body fat while at the same time maintaining as much of their muscle mass as possible.
The Metabolic Diet, since it both decreases body weight and increases insulin sensitivity, is an excellent diet and lifestyle management plan for type 2 diabetics, and it's also useful for the smaller number of insulin dependent or type 2 diabetics.
Because different carbohydrates are digested at different rates and have different effects on glucose levels, glycemic indices have been developed for use in helping a diabetic in maintaining control of their blood sugar.
www.metabolicdiet.it /answers.htm   (11423 words)

  
 Raise Metabolism: Basal Metabolic Rate
From the viewpoint of diet and weight loss, metabolism is the process whereby the body converts food into energy (or uses it for bodily repairs) or stores it as fat for future use.
Our Basal Metabolic Rate (or Resting Metabolic Rate) is the number of calories we need to burn in order to fuel essential bodily processes and keep our organs and tissues in working order.
Our metabolic rate increases during digestion of food, a process known as the Thermal Effect of food.
www.annecollins.com /raise-metabolism.htm   (553 words)

  
 Ask the Dietitian - by Joanne Larsen MS RD LD - Metabolic Rate
Your metabolism is determined by gender, age, amount of muscle you have compared to body fat and the amount of exercise you do on a regular basis.
Infants and growing children or teenagers have higher metabolic rates than adults because of growth hormone.
Research into the use of HGH (human growth hormone) doesn't increase metabolic rate nor is it a fountain of youth.
www.dietitian.com /metabolism.html   (794 words)

  
 Effects of Low-Carb Diet on Metabolic Rate   (Site not responding. Last check: 2007-11-07)
The metabolic rate of the low-carbers declined by 12.4%, the metabolic rate of the high-carbers declined by 20.8%.
The effect of dietary fatty acid composition on energy metabolism was studied in 6 male subjects, age 25-48 y.
The rate at which it's burning fat is called your "resting metabolic rate." These guys gave a group of 6 men a diet high in saturated fat, then measured their resting metabolic rates.
charm.cs.uiuc.edu /users/jyelon/lowcarb.med/topic3.html   (1017 words)

  
 Weight Education - HealtheTech   (Site not responding. Last check: 2007-11-07)
BMR is approximately 10% less than resting metabolic rate (RMR).
BodyGem®: The BodyGem ® by HealtheTech is a handheld device that measures resting metabolic rate (RMR), the number of calories your body burns each day at rest.
MedGem®: The MedGem ® by HealtheTech is a handheld, portable indirect calorimeter that measures oxygen consumption (VO2) and determines resting metabolic rate (RMR).
www.healthetech.com /education/rmrglossary.html   (527 words)

  
 NEJM -- Familial dependence of the resting metabolic rate
We studied 130 nondiabetic adult southwestern American Indians (74 men and 56 women) from 54 families to determine whether the resting metabolic rate, as measured by indirect calorimetry, is a familial trait that is independent of individual differences in fat-free mass (estimated mass of metabolically active tissue), age, and sex.
We found that most of the variance in the resting metabolic rate (83 percent, P less than 0.0001) was accounted for by three covariates--fat-free mass, age, and sex--and that fat-free mass was the most important determinant.
Thus, resting metabolic rate is a familial trait in this population, and it is independent of differences in fat-free mass, age, and sex.
content.nejm.org /cgi/content/abstract/315/2/96   (1216 words)

  
 Basal Metabolic Rate -MWF   (Site not responding. Last check: 2007-11-07)
Basal Metabolic Rate (BMR) is the number of calories you will burn in a 24 hour period while lying down, but not sleeping (in other words, watching TV with a remote control in your hand).
Your Active Metabolic Rate (AMR) is estimated by adding the caloric cost of all activities you engage in throughout the day to your BMR.
This will be used to determine your Active Metabolic Rate --how many calories you might burn in a day according to your activity level.
www.motionworksfitness.com /bmr.htm   (761 words)

  
 AllRefer Health - Physical Activity: Basal metabolic rate (Exercise, Fitness Recommendations)
Basal metabolic rate (BMR) is the number of calories used by the body when it is at rest.
Basal metabolic rate increases with the amount of muscle tissue a person has, and it reduces with age.
For many people the basal metabolic rate can be increased 10% for approximately 48 hours after the activity.
health.allrefer.com /health/physical-activity-2.html   (408 words)

  
 Hypoxic metabolic response of the golden-mantled ground squirrel -- Barros et al. 91 (2): 603 -- Journal of Applied ...
Figure 1 illustrates the metabolic changes that occurred during 180-200 min of hypoxia in squirrels.
Metabolism during normoxia, hypoxia and recovery in the newborn kitten.
Ventilatory and metabolic responses to cold and hypoxia in conscious rats with discrete hypothalamic lesions.
jap.physiology.org /cgi/content/full/91/2/603   (4932 words)

  
 Metabolic costs induced by lactate in the toad Bufo marinus: new mechanism behind oxygen debt? -- Pinz and Pörtner ...
The mechanism of an increase in metabolic rate induced by lactate was investigated in the toad Bufo marinus.
concentrations for the mediation of an increase in metabolic rate.
70% of the elevated metabolic rate in ecto- and endotherms (Refs.
jap.physiology.org /cgi/content/full/94/3/1177   (5846 words)

  
 Increase metabolism, Speed up metabolism,metabolism boosters,Basal Metabolic Rate
Metabolism is the amount of energy (calories) our body burns to maintain itself.
Metabolism is essentially the speed at which our body's motor is running.The speed at which our body burns calories is called the metabolic rate.
Your Basal Metabolic Rate (BMR) is what your body needs at rest to maintain normal bodily functions like beating of our heart, respiration, and the maintenance of body temperature at a thermostatic setting just under 100 deg, etc. All these mechanical and thermometric functions require a base level of energy.
www.fatfreekitchen.com /weightloss/metabolism.html   (891 words)

  
 Metabolic (from life) --  Encyclopædia Britannica
The metabolic definition is still popular with many biologists.
Physicians can measure a patient's basic metabolic rate (BMR) by measuring the amount of oxygen the patient uses or by measuring the amount of heat the patient radiates.
Metabolism is regulated by protein molecules called enzymes and is also affected by hormonal secretions of the pituitary and thyroid glands (see Hormones).
www.britannica.com /eb/article-41334   (769 words)

  
 Metabolic rate formulas and analysis instructions, free
This page will show you how to easily calculate your metabolic rate, plus teach you what your metabolic rate is, and what affects it.
Then you multiply your resting metabolic rate by a factor depending on your activity level to give you your metabolic rate.
This is your total estimated daily metabolic rate, not your resting metabolic rate.
www.tim-richardson.net /BodyForLife/analysis.html   (1659 words)

  
 Goldstandard Systems: RMR (Resting Metabolic Rate) Procedure   (Site not responding. Last check: 2007-11-07)
Resting metabolic rate is the number of calories the body requires to keep us alive or functioning at rest and can account for up to 80% of an individual’s daily caloric expenditure.
The resting metabolic rate measurement enables participants to discover their unique dietary needs with the highest degree of accuracy.
The subject will be instructed to breath normally into the mouthpiece for approximately 10 minutes while their RMR is measured.
www.goldstandardsystems.com /rmr.htm   (188 words)

  
 Basil Metabolic Rate   (Site not responding. Last check: 2007-11-07)
intake is reduced, metabolic rate falls and an unconscious...
patients suffer from a decrease in metabolic rate in the prefrontal regions bilaterally.
functioning, for example, an individual’s metabolic rate which is a consequence of their physical...
www.alternative-search.com /1/basil-metabolic-rate.html   (484 words)

  
 Bodybuilding.com - Tris Mardiastuty - Resting Metabolic Rate Calculator.
Basal metabolic rate is a precise calculation with a precise definition; RMR is close enough for practical purposes.
Resting metabolic rate is the energy required by an animal to stay alive with no activity.
You have probably heard that people who go on crash diets end up lowering their metabolic rate, which means when they go off the diet, they put on fat more easily than before they started.
www.bodybuilding.com /fun/calrmr.htm   (721 words)

  
 Basal Metabolic Rate - BMR - Basal Metabolic Rate Calculator - Metabolism Rate
Your BMR (Basal Metabolic Rate) is the estimated minimum level of energy required to sustain the body's vital functions when at rest.
The Harris-Benedict formula is used to calculate the BMR (Basal Metabolic Rate).
Your BMR, or basal metabolic rate (metabolism), is the energy (measured in calories) expended by the body at rest to maintain normal bodily functions.
www.weight-loss-center.net /basal_metabolic_rate.html   (390 words)

  
 Basal Metabolic Rate Calculator - Reviews and free Basal Metabolic Rate Calculator downloads at Download.com
Basal Metabolic Rate is the number of calories your body needs when you are resting.
Input gender, age, weight, and height to determine your Basal Metabolic Rate (BMR), which is simply the minimum daily level of calories needed to support your body at rest.
Ratings and written comments are generally posted within two to four business days in batch groups, not in real time.
www.download.com /Basal-Metabolic-Rate-Calculator/3000-2129_4-10437779.html   (596 words)

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