Biology of Disease

Vitamin B 12 or cobalamin is an unusual molecule in that it contains an organometallic bond between cobalt and carbon (Figure 13 ...

prevent microorganisms from entering the body (Chapter 4). Retinaldehyde is necessary for vision and functions as the prosthetic ...

A number of compounds are possible vitamers of vitamin K, including phylloquinone and the menaquinones. The first is the normal ...

an important renal buffer. Sulfate is required for the synthesis of cartilage and other components of the extracellular matrix. ...

10.3 Nutritional Disorders Nutritional disorders can arise from a deficiency or excess of nutrients and may affect growth or cau ...

in epidemics due to famine and is endemic in many areas of Africa, Asia and South America, and in patients with long-term illnes ...

is common in parts of the world affected by famine and where there is poor education and knowledge of nutrition. In the original ...

NUTRITIONAL DISORDERS CZhhVg6]bZY!BVjgZZc9Vlhdc!8]g^hHb^i]:YLddY '** In 1994, the *obese gene was discovered in mice. I ...

A number of diseases occur more frequently in obese individuals (Figure 10.25), including type 2 diabetes mellitus (Chapter 7), ...

NUTRITIONAL DISORDERS CZhhVg6]bZY!BVjgZZc9Vlhdc!8]g^hHb^i]:YLddY '*, The Atkins diet is a high protein, high fat and lo ...

Anorexia Nervosa and Bulimia Nervosa Anorexia nervosa (AN) and bulimia nervosa (BN) are both disorders of eating behavior and bo ...

NUTRITIONAL DISORDERS CZhhVg6]bZY!BVjgZZc9Vlhdc!8]g^hHb^i]:YLddY '*. result from starvation, cardiac arrest or other co ...

suffer malabsorption. However, it is a major problem globally affecting some 200 million people, especially children, in develop ...

A deficiency of vitamin B 12 causes megaloblastic anemia (Chapter 13) and degeneration of the spinal cord. However, deficiencies ...

however, more than 20 raw eggs must be consumed daily for this to become a serious problem. Biotin deficiency occasionally occur ...

Hypervitaminoses Hypervitaminoses are relatively rare compared with deficiencies. An excess of vitamins B 6 and niacin can be to ...

Nearly half of dietary fluoride is taken up by bone and can influence its mechanical properties. The incorporation of fluoride i ...

characterized by deposits of iron compounds in organs such as the liver and heart. Acute ingestion of large doses of ferrous sal ...

10.4 Investigating Nutritional Disorders The main objectives in investigating nutritional disorders are to detect malnutrition, ...

used in isolation, as their findings are also altered in some disease states. Hair and nail samples are of questionable clinical ...