How are BMI and BMR different and what do these numbers mean?

Isagenix diet weight loss

BMI & BMR

The energy requirements of a human body are estimated based on multiple parameters that are dependent on the height, weight and age of a person. In many scenarios, these assessments are also needed to determine the needs of the undernourished sections of the population who are deprived of the basic nutrition.

Both the body mass index (BMI) and basal metabolic rate (BMR) are used as standards in these aspects but they are two different parameters. The BMI is dependent on the height and weight of an individual that assesses the overall body composition. On the other hand, BMR is the number of calories that a person burns when at a state of rest.

Even though the two are independently calculated, the BMI value affects the BMR of a person. In fact, the higher the body composition as indicated by the BMI, the higher is the value of the BMR.

What is the difference between BMI and BMR?

BMI is often linked with obesity and a higher value also increases the risk of certain diseases.

But BMI does not distinguish between body fat and lean body mass and does not take into account the physical location of body fat. So those with higher than average muscle mass can also have a high value of BMI even if they are not obese. The calculation of BMR is more complex than BMI and involves an individual’s height, weight, age and gender.

BMR is the amount of energy that is expended in activities like breathing, keeping the heart beating, blood circulating, digesting food and delivering their nutrients to cells, without doing any other external work.

In many cases, the Total Daily Energy Expenditures (TDEE) is calculated for individuals where an activity factor is added to the BMR value. These values are important for people who are looking to achieve specific fitness goals or aiming to reduce weight.

BMI calculation and importance

weight loss pills healthyBMI is calculated based on a person’s weight and height in order to determine whether he or she is underweight, normal weight, overweight or obese. The method does not measure body fat directly but it correlates with other techniques for measurements of body fat.

To calculate BMI, the person’s weight in kilograms is by height in meters squared. In case one is using the English system, then the pounds should be divided by inches squared and the result has to be multiplied by 703. The values obtained to determine the state of a person.

While the values between 18.5 and 25 are considered normal, a person with a BMI between 25 and 30 is considered overweight and a person with a BMI over 30 is considered obese. While BMI is not accurate for those who are pregnant or have a high muscle mass, a high value can be linked with certain diseases related to obesity. Some of these ailments are listed below.

  • Diabetes
  • Arthritis
  • Liver disease
  • Several forms of cancer
  • High blood pressure (hypertension)
  • High cholesterol and related cardiac ailments
  • Sleep apnoea.
  • Gastroesophageal reflux (GERD)

Many individuals who had a high BMI reportedly felt better, both physically and psychologically once they reduced their weight by some kilograms. At the same time, BMI is not an indicator of any particular disease or a psychological condition.

There are various factors including food and lifestyle choices that influence health and there are many individuals who are disease-free even with a high BMI. Some studies have also found that even though people with a slightly higher BMI run the risk of a few diseases, they tend to live longer than those with lower values.

It is being stated by health experts that BMI alone is not to be identified with good health or the risk of cardiovascular health, blood sugar or blood pressure. Even though it is a good starting point, BMI has to be taken into consideration with other factors.

BMR calculation

The reduction in physical activity due to lifestyle choice has resulted in obesity becoming a vital health issue. Since most people gain weight due to a mismatch between the daily energy consumption and energy expenditure, the minimum daily energy requirement for a person is to be determined.

Apart from body composition, sex and age, it has been recorded that height is an important factor in determining the metabolism rate and taller individuals generally have higher rates. BMR is basically the minimum energy exchange that occurs in the body to support activities like respiration, circulation and secretion.

Obesity manEven though there are a number of formulas, BMR value is often calculated by the Harris Benedict Equation which is different for men and women. The equations have been revised since their origin, to account for various factors and are stated below.

    For Males, BMR= (88.4 + 13.4 x weight in kilograms) + (4.8 x height in centimeters) – (5.68 x age)

    For Females, BMR= (447.6 + 9.25 x weight in kilograms) + (3.10 x height in centimeters) – (4.33 x age)

The body composition of a person which involves the proportion of inert body fat and active protoplasmic tissue is an important factor in measuring BMR. Some factors can influence the BMR of a person and they include the following.

  • Age: The BMR values will usually decrease with age, which means that people may need to adjust their diet as they get older in order to avoid weight gain.
  • Menopause: Those going through this phase, will have their BMR values at a lower level, as they will be burning fewer calories.
  • Weight training: High volume of muscles in the body tend to increase the BMR for the long-term. Those undergoing high-intensity interval training will also have higher BMR rates.

The importance of BMR

For those who are trying to lose weight or plan to maintain their current weight, knowing the BMR is an important step. Around 70% of the calories that are consumed by a person is used up for basal metabolic activities. It indicates that calories a person burns when at rest and this data is vital for those who want to stay fit and healthy.

The overall issue of weight loss and healthy weight maintenance is a balance between the number of calories that are gained or lost. The BMR can help in determining how much calories a person needs to burn through the exercise to lose weight. This also helps in preventing the onset of various chronic health problems.

The metabolic activity of the body changes and reduces as a person gets older. So aged people who find it more difficult to lose body fat and overall weight, can be benefitted by the knowledge of BMR.

The BMR values can help you to arrive at the TDEE value for getting a better picture of the calorie consumptions. This value is obtained by multiplying the BMR by a factor that depends on the daily activity of an individual. For those who are trying to lose weight, consuming fewer calories than they are burning is the key.

At the same time, these numbers are a guiding factor in losing weight. A drastic reduction in calories can affect overall health and will also prevent the loss of weight in the long run. The first step that can be taken to enhance weight loss is to cut out unnecessary junk food and snacks from your diet.

The BMR is also affected by the total lean muscle mass in the body as muscles require a lot of energy for maintenance. Any activity that reduces the lean muscle mass of the body will also reduce the BMR of the body.

The process of metabolism

Isagenix diet weight lossBMR is dependent on metabolism which is a complex process that involves the conversion of food into energy with the help of oxygen. Apart from normal bodily functions, physical activity plays an important role in the consumption of calories. The normal daily activities like walking, cooking or gardening also consume certain amounts of energy and they are termed as non-exercise activity thermogenesis. The metabolism process in the body can be categorised into two different segments mentioned below.

Catabolism –This process involves the breakdown of food into the various macro and micro- nutrients like carbohydrates, proteins and fats which are absorbed by the body to meet the daily needs to grow and repair. This process is also termed as thermogenesis and utilises around 10 percent of the calories that are consumed. A major part of the energy that is generated by catabolism is stored in the high-energy molecule adenosine triphosphate which is found in cells.

Anabolism –The nutrients are used in repairing the body in various ways and that energy expenditure is classified as anabolism. This process builds up larger molecules that are needed by the cells and tissues by chaining smaller ones as need.

Since the process of catabolism generates energy and anabolism uses energy, they should balance each other out in an ideal condition. When the net change is positive, the excess energy is stored in the form of fat molecules. When the net change is negative, the body uses the stored energy to compensate for any energy deficiency. Both these processes are regulated by hormones and there are separate hormones for each category. Cortisol, glucagon, adrenaline and cytokines are some important catabolic hormones. Anabolic hormones include the growth hormone, insulin-like growth factor, insulin, testosterone and oestrogen. All the energy reactions in metabolism are oxidation-reduction reactions that occur in series.

The importance of BMR and BMI in maintaining health

Metabolism is an efficient process that allows the body to maintain a healthy weight in a natural manner. Only in case of some rare disease like Cushing syndrome and thyroid-related problems, the metabolism process is affected, leading to obesity. Since the lack of exercise and a sedentary lifestyle are very common in the present society, obesity has emerged as a major problem.

The BMI of an adult past the growth stage stays in the same range as long as the weight is kept constant. While it is an important indicator of ideal weight, it cannot provide the exact methods one can follow to bring about the necessary change in weight. On the other hand, knowing one’s BMR is helpful for nutritional assessment, weight loss planning and also to care for various medical conditions. As stated earlier, a person with more fat mass will have a higher BMR.

Obesity can be linked with a wide variety of diseases including type2 Diabetes which is widespread. With the correct values of BMI and BMR, preventive measures can be taken in order to reduce the risks of diabetes. The knowledge about BMR is also essential to prevent age-related diseases that affect a large percentage of the aging population.

If old age is coupled with ill health, then the nutritional intake can get adversely affected. This can be combined with metabolic disturbances associated with illness or disability which deplete the energy stores of the body. Hence BMR is extremely important to maintain good health at an advanced age. The details about the energy expenditure process in critically ill patients are still not known and more research is needed in this field.

The importance of a right diet based on BMR

Weight gain scalesWhile BMR can help you to mould your diet for the best results, restricting the calorie intake can also bring about some adverse effects as listed below.

  • Eating fewer calories to lose weight can result in nutrient deficiencies and chronic fatigue in the body. A restricted diet can also reduce the intake of protein, calcium, iron, vitamins and other nutrients resulting in various complications.
  • Cutting down on calories can lower the metabolism rate and prevent weight loss. It can also lead to a loss of muscle mass if a proper exercise regimen is not followed.
  • Extreme reductions in calorie intake can also reduce fertility, especially in women. Insufficient calories can affect the levels of oestrogen and luteinizing hormone (LH).
  • Since lower calories can affect the levels of oestrogen and testosterone, two hormones that impact bone health, it can also result in loss of bone mass.
  • An improper diet can weaken the immune system and make an individual more susceptible to infections and illnesses.

When planning to use the BMR data for weight loss, it is important to plan effectively and be patient to let the right diet take its course.

Conclusion

Both BMI and BMR are important to keep track of the weight and overall health of a person. They are also effective to help you achieve your fitness goals and build more muscle mass.

Since metabolic activity is influenced by many factors it is best to take help of a professional to help you in planning the right diet. This is more important if you have any chronic problems or under medication.  Whatever be the BMI and BMR of a person, a healthy diet and a daily dose of exercise is always the right step towards achieving good health.

 

Want to live a healthy lifestyle?

Subscribe to free FactDr newsletters.

REVAMP YOUR

If you're enjoying our website, we promise you'll absolutely love our new posts. Be the first one to get a copy!

Get factually correct, actionable tips delivered straight to your inbox once a week.

I want the latest scoop on :

We hate spam too. We will never share your email address with anyone. If you change your mind later, you can unsubscribe with just one click

By clicking Subscribe, I agree to the FactDr Terms & Conditions & Privacy Policy and understand that I may opt out of FactDr subscriptions at any time.

 

 

 

Trending Topics

Maltitol: Things you must know about this artificial sweetener Sugar alcohols are produced by fruits and vegetables. Maltitol is an artificially produced sugar alcohol…
passion fruit juice
Passion fruit: How one exotic fruit can help you fight infections and cancer! Passion fruit: Why does this exotic fruit have such an enticing name? And how can…
Top 6 remedies to treat a razor burn at home Symptoms of razor burn include bumps on the skin, redness, and irritation of the skin.…
The science behind daith piercing: Can it really cure migraine? Since the ear has several pressure points, it is believed that daith piercing activates the…
Vitamin K2: 8 reasons why you need this bone-building & cancer-fighting nutrient Vitamin K2 is claimed to be essential for your bone health, for reducing the risk…
diverticulitis diet
Diverticulitis diet: The right way to eat if you suffer from the disease Are you suffering from diverticultis but clueless about your diet ? Read this complete plan…
Lectin: The common link of proteins between peas and people Lectins are a type of protein that are found majorly in legumes. Most people are…
rubella IgG test
Rubella IgG Test The rubella IgG test is a blood test that checks for the rubella virus IgG…
Stye : The best natural home remedies to ease the pain Styes developing inside the eyelid tend to be more painful whereas external styes are less…
abdominal-CT-scan- image
Abdominal CT scan Abdominal CT scan is a diagnostic imaging technique that provides a clear picture of the…
Chromium Picolinate: An essential mineral supplement for faster weight loss Did you know that about 1.6 million deaths were directly linked to diabetes globally? How…
CLA: A breakthrough weight loss supplement with minimal side effects Tried every weight loss supplement in the market with no substantial gain? Why not try…
Piaget stages: Do they accurately describe the way the human brain develops?  A common assumption was that children are less competent thinkers as compared to adults, but…
ASTtest-liver
AST- Aspartate Aminotransferase Test AST test is a blood test that is used to measure the level of a…
maltodextrin sugar
Maltodextrin: What are the hidden health benefits of this food additive? Maltodextrin is one of the few food additives that has been relatively deemed safe. Many…
Is bronchitis contagious? And how to prevent this infection? It is acute bronchitis that is contagious which means you can contract it from another…
BRAT Diet: What is the right way to follow this diarrhea-relieving diet? BRAT diet, a simple diet consisting of just bananas, rice, applesauce, and toast, can help…
Jicama: A fiber-rich tuber for your weight loss goals Pronouced as HEE-kah-ma, Jicama is the "new kid on the block" that has taken the…
eating disorder anorexia
Eating Disorders: Lifestyle choice or a psychological condition? Is eating disorder just a harmless bad habit? Or does it represent grim psychological disorders?…
Milk Thistle skin
Milk Thistle: Find possible cures for fatal diseases in these purple blooms Milk thistle is well-known for treating liver conditions. However, did you know that it comes…
Chest X-Ray A chest x-ray is a diagnostic test that uses x-rays to visualize the structures inside…
anti-thyroglobulin antibody
Anti-Thyroglobulin Antibody test Anti-thyrogloubin antibody test measures the level of antibodies that attack the thyroid gland cells and…
Juice Plus: Can you really replace actual fruits with pills?  Juice Plus supplements intend to fill nutritional gaps present in our daily diet. But how…
The real reason why you shouldn’t be eating ramen noodles Instant ramen noodles might be your go-to snack for your hunger pangs. But with each…
occupational hazards types
Occupational Hazards: How to vouch for your health at your workplace Occupational hazards affect millions worldwide. Chemical spills, faulty wires, deadly pathogen, and work-stress can happen…
Trisodium Phosphate: How a paint thinner made its way into your breakfast Ever thought how toxic chemicals find their way into our foods? How can they harm…
waterchestnut
Water Chestnuts: The tastiest ways to include this healthy tuber in your diet Water chestnut is not a nut after all. It is a tuber (much like the…
carrageenan seaweed
Carrageenan: How a simple seaweed extract could better your gut health & immunity Eat more ice cream to prevent cold and flu? –With carrageenan you get one simple…
Garlic health benefits cloves
Garlic: Nature’s white pill as an effective home remedy What are the secrets hidden in these tiny white pills? Find out the immense health…
How do neutrophils protect you from fatal bacterial attacks? During an infection, certain enzymes alert the mature neutrophils.  Neutrophils then travel through the bloodstream…
Poop chart: Top things you didn’t you your poop could reveal about you Bristol poop chart was designed during the 1990s in order to help doctors identify various…
lifestyle diseases
The Big 5 lifestyle diseases: How your everyday living might be killing you You'd be shocked to know how unhealthy and potentially fatal your everyday routine could be.…
yoga health benefits
How to practice yoga for astounding health benefits Can a 5000-year-old system be the ultimate body healer? Did you know yoga can make…
Salt dangers
Sodium chloride: The wonders and dangers of the simple table salt Sodium chloride is a salt containing sodium and chlorine ions at a 1:1 ratio. It…
TBHQ: A carcinogen lingering in your child’s favorite snacks TBHQ - Why you should shun the practice of eating instant noodles or microwave popcorn…
Silicon Dioxide: How can a component of sand be essential to your wellbeing? Silicon is one of the most abundant elements in the nature. Find out how silicon…
Helicobacter pylori IGA
Helicobacter Pylori – IgA Test The H.pylori IgA test is a blood test used to identify the level of IgA…
hidden benefits walking
9 benefits of walking we bet you didn’t know! Did you know walking can be the miracle pill for eternal youth? Everyone knows walking…
hlab27 test
HLA-B27 test The HLA-B27 is a blood test that is used to determine the level of a…
liver detox facts
7 liver detox facts and why ignoring these could kill you! Are you taking care of this organ that handles over 500 different vital functions in…
nutritional yeast bread
Nutritional Yeast : How can a fungi culture be good for your body? Nutritional yeast: How a simple culture of fungi can transform your skin, digestion, immunity ,…
green poop causes
Green poop : What are the reasons and how can you correct it Ever sneak a peek down the toilet only to shockingly find green poop? Why does…
Chlorella: Therapeutic powers of the billion-year-old algae now within your reach Chlorella - A billion year old nutrient-rich algae that can potentially ward off cancers and…
Tamarind: The top health benefits of this staple Asian ingredient Did you know this sweet and sour pulpy fruit does more than just add a…
Colloidal silver benefits
Colloidal silver: An essential dietary supplement or yet another pharmaceutical hoax? Colloidal silver is hailed as an effective home remedy for infections. Many believe it can…
Hydroquinone: Is it the best topical treatment for hyperpigmentation? Darkening of the skin due to high melanin levels is called hyperpigmentation.  Hydroquinone interferes with melanin…
What to eat, what not to eat in the South Beach Diet? The South Beach Diet is one among the most popular weight loss programs that have…
Pescatarian Diet 101: What are the inherent health advantages of this diet? People opt to become a pescatarian in order to enrich their bodies with the essential…
Internal bleeding brain
Beware: Ignoring these tell-tale signs of stroke could cost a life The signs and symptoms of a stroke differ depending on which part of the brain…
shakeology woman
Meal replacement or protein drink? Learn all about Shakeology and its claims Shakeology from Beachbody claims to be the most suitable shake that can aid in weight…
Bubble Tea: Bubbling with nutrition or a hidden sugar mine? The tapioca pearls present in the tea looks like bubbles and hence the name bubble…
diabetes symptoms in women
FBS Test – Fasting Blood Sugar FBS or fasting blood sugar test is a blood test that is used to determine…
bilirubin-test-result
Bilirubin Test Bilirubin is a substance produced in the body as a result of red blood cell…
stress depressed anxiety
Are you depressed or just stressed? Know when to see a doctor Why are some people more anxious than others? Is being depressed the same as feeling…
Panera bread steak arugula
Panera Bread: The truth behind this “healthy” restaurant chain What to order and what to avoid when dining at Panera Bread ? Know more…
Fluoride: An indispensible mineral or a potential toxin ? Fluoride, the main ingredient of toothpaste, has shown a great potential as a cleanser. However,…
antibiotic resistance
Antibiotic Resistance: How common diseases become deadly Can a cold kill you? How important is to get a flu shot? Why do…
What is the right way to take a pregnancy test? A pregnancy test is undertaken to determine if you have conceived. A home pregnancy test…
TRX: Why is this total resistance workout the best choice for your body? TRX or total resistance exercise is a form of exercise where suspension belts are used…
Balneotherapy jacuzzi
5 things you didn’t know about balneotherapy and how you can do it at home Sauna baths have been popular since a long time. But how much more beneficial can…
IGE test
IgE test – Immunoglobulin E IgE or immunoglobulin E test is a test that measures the level of IgE in…
glucose-tolerance
Oral Glucose Tolerance Test – GTT Glucose tolerance test (or Oral GTT) is used to detect the onset of diabetes or…
dance health benefits
5 unbelievable effects of dance on your overall health! You enjoy dancing, but did you know what else it does to your body? Dancing…
sleep deprivation
Don’t let your sleep deficit grow into memory loss or heart attack Why is sleep important for us? How could sleep deprivation harm you? We bet you…
vital organ diseases
Common diseases that could cripple your vital organs Brain, heart, kidney, lungs, and liver - these vital organs are indeed vital for your…
low fodmap plan
Troubled with IBS? Here’s a complete roadmap to the low FODMAP diet Leaky & inflammatory gut troubling you? No medicine bringing you relief from the pain? Why…
GM Diet: The fastest way to lose weight or yet another hoax diet? General Motors started this trend of extreme dieting for 7 straight days to ensure its…
Eustachian Tube : Functions and top home remedies to prevent its infection Pressure equalization, mucus drainage and protecting the middle ear from bacteria and viruses are the…
Appendix pain: Recent findings on this not-so vestigial organ The exact function of the appendix is still not clear. Some consider it as an…
Quinine: How gin and tonic came to be known as a potent health elixir The discovery of quinine-containing tree bark is sometimes considered the most serendipitous medical discovery of…
tonometry
Tonometry Tonometry uses a device called tonometer to measure the pressure inside the eye. This pressure…
EEG
Electroencephalogram – EEG EEG or electroencephalogram is a diagnostic tool used to access the functioning of neurons and…
Anti-CCP Test – Anti-Cyclic Citrullinated Peptide Anti-ccp or ACCP test is a blood test that is primarily employed to diagnose the…
Glucose-6-Phosphate Dehydrogenase (G6PD) test Glucose-6-phosphate dehydrogenase (G6PD) is an enzyme that is found in every cell of the body…
BULIMIA NERVOSA vomiting
Can you get addicted to food? Learn everything about food addiction What is food addiction? How can people get addicted to eating? Is it an unhealthy…
MANUKA HONEY child
Manuka Honey: What is it and why should you choose this over regular honey? Manuka honey is a specific type of honey produced by honey bees that collect nectar…
Healthy pregnancy tips
How to have a healthy pregnancy: Essential tips to remember What to expect when growing a life within you? How important are prenatal vitamins anyway?…
autoimmune diseases facts
Autoimmune Diseases: Find out if your body is attacking you right now Did you know your body can harm itself? What are autoimmune diseases and why does…
Jackfruit: Slice your way into higher immunity, better digestion, & more… Native to the South East Asia, the jackfruit is a fruit brimming with thousands of…
Anhedonia: Does the chronic inability to feel joy affect you too? How often do you feel dragged down by an invisible force? Do you feel an…
Coconut sugar: What is it and is it healthier than table sugar? In the long list of things that the wonderful coconut gives us, coconut sugar is…
Kava: Is it the healthy substitute for alcohol you have been waiting for? Native to the beautiful South Pacific islands, Kava is a famous beverage rooted in the…
How chlorophyll is more than just a green pigment meant for photosynthesis Cholorphyll - you must know the usual function of this chemical in plants. But did…
Astaxanthin: Why experts believe it could be 550x more potent than vitamin E! What is astaxanthin and why is this new supplement on the block touted as the…
Oxidative Stress: Understanding the most lethal phenomenon happening in your body right now Free radicals cause damage to the body, which is known as oxidation.  The amount of…
Mood swings
The real reasons for your mood swings and how to overcome them Are you prone to heated moods frequently? Do you also feel bouts of depressive feeling…
Experts reveal the safest ways to perform an enema at home The idea of pushing some up your rectal area might make you queasy but an…
General adaptation syndrome: Understanding stress, one step at a time The struggle of the body to produce hormones during a stressful situation is the main…
Oxalates: How healthy greens can sometimes be bad news for your kidneys Oxalates are compounds present in a majority of healthy foods. However, at times an overconsumption…
Ear pain model
Easy and safe tips for ear wax removal you can do at home Cerumen impaction generally occurs when an external object like cotton swabs are used to remove…
Crossfit with rope
CrossFit: Now get the perfectly sculpted body with this explosive gym routine CrossFit is a fitness regimen that makes use of high-intensity exercises in a shorter period…
ketoacidosis diabetes
HB1Ac Test HB1Ac test is an important blood test that is used to measure the levels of…
Cystoscopy Cystoscopy is intended to look at the abnormalities in the ureters, bladder, and urethra, to…
random blood sugar test
Random Blood Sugar Test The random blood sugar or RBS test is a blood test prescribed mainly to check…
cytomegalovirus iGG
Cytomegalovirus (CMV)- IgG Test The cytomegalovirus IgG is the immunoglobulin protein produced by our immune system when the body…
fitness routine fun
10 fantastic ways to make your fitness routine more fun! Are you too bored to exercise? Do you avoid gym cause it's too monotonous? Looking…
eating myths debunked
8 ‘healthy eating’ myths you believed until now Is a zero-carb diet really healthy for you? Are organic products worth their cost? Did…
paleo keto diet
Paleo vs. Keto: Which diet plan is best suited for your body goals? Is eating like a caveman the right way to go? Can you really eat fats…
Spirulina: Battle diabetes and cholesterol with this blue-green algae Spirulina, a species of salt water algae, has now become a billion dollar industry. How…
Dragon Fruit – Blessing from Nature’s Basket The dragon fruit is packed with nutrients and yet low on calories and is the…
High Fiber Diet – Fire up your fiber intake for these health benefits! Regular bowels, healthy detox, higher immunity, and guaranteed weight loss - a high fiber diet…

Related Posts

Want to live a healthy lifestyle?

Subscribe to free FactDr newsletters.

REVAMP YOUR

If you're enjoying our website, we promise you'll absolutely love our new posts. Be the first one to get a copy!

Get factually correct, actionable tips delivered straight to your inbox once a week.

I want the latest scoop on :

We hate spam too. We will never share your email address with anyone. If you change your mind later, you can unsubscribe with just one click

By clicking Subscribe, I agree to the FactDr Terms & Conditions & Privacy Policy and understand that I may opt out of FactDr subscriptions at any time.