Almost all of us have that one friend or cousin who can eat anything to their heart’s content yet never gain weight. So why is that your friend or cousin can get away with eating all that they want and not get fat? This is because this friend or cousin of yours has a very high basal metabolic rate or what is commonly known as BMR. What is Basal Metabolic Rate or BMR? BMR is the minimal rate of energy expenditure per unit time by human beings when at rest. When we are resting and not doing any strenuous physical