basal metabolic rate; BMR : The minimum number of calories needed to maintain vital functions, such as breathing and keeping the heart beating.

beta-glucans : Gums found in beans and peas that lower cholesterol levels.

biotin: A B-vitamin that is a component of enzymes that ferry carbon and oxygen atoms between cells.

boron: An essential trace mineral, known to help bones use calcium.

bulimia: An eating disorder. Individuals with bulimia don’t refuse to eat. In fact, they may often binge and purge.