health summary

Weight training, system of physical conditioning using free weights (barbells and dumbbells) and weight machines (e.g., Nautilus-type equipment). It is a training system rather than a competitive sport such as Olympic weightlifting or powerlifting. There is evidence of weight training even in

Pancreas, compound gland that discharges digestive enzymes into the gut and secretes the hormones insulin and glucagon, vital in carbohydrate (sugar) metabolism, into the bloodstream. In humans the pancreas weighs approximately 80 grams (about 3 ounces) and is shaped like a pear. It is located in

Digestion, sequence by which food is broken down and chemically converted so that it can be absorbed by the cells of an organism and used to maintain vital bodily functions. This article summarizes the chemical actions of the digestive process. For details on the anatomy and physiology for specific

Dieting, regulating one’s food intake for the purpose of improving one’s physical condition, especially for the purpose of reducing obesity, or what is conceived to be excess body fat. Dieting plans are based on the reduction of any of the macronutrients (fats, carbohydrates, and proteins) that