The act or process, by which living tissues or cells take up and convert into their own proper substance the nutritive material brought to them by the blood, or by which they transform their cell protoplasm into simpler substances, which are fitted either for excretion or for some special purpose, as in the manufacture of the digestive ferments. Hence, metabolism may be either constructive (anabolism), or destructive (katabolism).
The series of chemical changes which take place in an organism, by means of which food is manufactured and utilized and waste materials are eliminated.
I am vegetarian. I have a sweet tooth, so I try and avoid desserts. I binge maybe once a month. I eat every two hours, whether it is a Marie biscuit or just a slice of apple. As a result, my metabolism has improved, and this is a huge contributor to weight loss. Vidya Balan
I am blessed with a good metabolism, and as long as I work out, carbs don't add to my weight. If I need a leaner, meaner look for a film, I go off carbs for a bit. Arjun Rampal
While weight loss is important, what's more important is the quality of food you put in your body - food is information that quickly changes your metabolism and genes. Mark Hyman
The usual justification for eating extra meals is that it keeps the metabolism 'revved up' so that weight loss is easier. There is, however, very little hard evidence that supports this idea, and a fair amount that disputes it. Andrew Weil
All those spices and herbs in your spice rack can do more than provide calorie-free, natural flavorings to enhance and make food delicious. They're also an incredible source of antioxidants and help rev up your metabolism and improve your health at the same time. Suzanne Somers