Supplement The Food and Drug Administration (FDA) estimates that every year, Americans buy millions of bottles and boxes of dietary supplements, a $19...
How Much Nutrition Do I Need? A healthful diet provides sufficient amounts of all the nutrients that your body needs. The question is, how much is enough? Today, three s...
What Calories Mean To You Automobiles burn gasoline to get the energy they need to move. Your body burns (metabolizes) food to produce energy in the form of heat. Th...
Body Digestion System When you see (or smell) something appetizing, your digestive organs leap into action. Your mouth waters. Your stomach contracts. Intestinal...
Nutrition Equals Life Technically speaking, nutrition is the science of how the body uses food. In fact, nutrition is life. All living things, including you, nee...