The Anatomy and Physiology of Weight Loss

One Calorie Does Not Always Equal One Calorie

One Calorie Does Not Always Equal One Calorie
Are all calories equal? Does it matter whether you intake one calorie from a fat or one calorie from a carbohydrate?

For years, some experts argued that all calories are equal. But experts now admit it is much more complex than that. “Only about 1 percent of ingested carbohydrates end up as body fat,” as opposed to 2.5 percent for ingested fats. Therefore, one calorie from fat is less efficient for weight loss than one calorie from a starch. As a result, simply switching from a high-fat diet to one high in carbohydrates, without actually lowering total caloric intake, can result in a net caloric loss to the body (“Research Lifts Blame”).

Remember: as you lose weight, your body requires fewer calories. So to continue losing weight at the pace you want,you may need to lower your caloric intake altogether.

Health Problems and Obesity
Obesity paves the way for a wide range of health problems. It weakens the abdominal muscles, placing greater stress on the back muscles, and makes it harder to maintain the body in an upright position. Other ailments that obesity can contribute to, or aggravate, include gallbladder disease, hypertension, arthritis, and reduced immune-system response.

Obesity and the Nutritional Fundamentals
There are many nutrients essential for good health. Our bodies can manufacture some nutrients, and others can only be obtained from our food. The nutrients that must come from food are called the essential nutrients. These are protein, fats, carbohydrates, vitamins,minerals, and water. How much of each of these is needed in relation to the others is the source of most controversy in the field of nutrition, and in the promoting of various weight-loss programs.

We all know that adequate protein is necessary to ensure physical well-being, but in the last several decades its importance has been exaggerated. A protein intake as high as 150 grams a day has been proposed, but it can be said that anything over seventy grams a day is too high. A daily protein intake of thirty to fifty grams is what most people actually require, although those who engage in heavy physical labor or sports may require more. If a high protein intake brings excessive caloric intake with it then an unnecessary weight gain may result.
1. Restore and renew body tissue and cells
2. Ensure proper distribution of fluids throughout the body
3. Maintain body functions and create antibodies for the immune system.

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