Basal Metabolic Rate (BMR or metabolism) is the amount of energy (usually measured in calories) that the body requires during a typical day. A fully functional and healthy body requires a specific amount of energy to produce brain waves, to move muscles, and to speak in sentences. Even when you sleep, your body is very active and burning fuel. Even if you lie on the couch all day, your body needs fuel (food) to sustain life. Twenty-four hours per day and seven days a week, our bodies are using food for fuel to execute all vital and non-vital bodily functions, each of which requires a specific amount of fuel. Which Nonvital Bodily System Do You Want "Shut Down" During Times of Stress?Vital bodily functions are those upon which life is immediately dependent. Examples of a vital bodily function are when you breathe, when your heart pumps, and when blood circulates. Without these functions, life will immediately cease. A non-vital function is any bodily system without which the body can remain alive. Examples include excretion, our immune functions, and reproduction. You need the most amount of fuel when all vital and non-vital functions are fully functional. As you will learn, if the body does not receive enough fuel (food) to sustain all vital and non-vital functions, then certain non-vital functions will be reflexively turned off or shut down! But, How Do I Calculate How Many Calories I Need?A fully functional body needs an abundant supply of fuel to keep both vital and non-vital bodily systems running at full capacity.
This however, requires a limitless supply of calories or fuel (food) and is an indication of health. Also, factors such as age, gender, height, and activity level are only a few of the many variables that contribute to a determination of BMR. In my book, I give you some online calculators to help you calculate your BMR, and the name of another valuable scale you can use to more accurately calculate your BMR.
Excerpt from Chapter One of "Friendly Mirrors and Contented Closets"
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