The distal convoluted tubule has a different structure and function to that of the proximal convoluted tubule. Cells lining the tubule have numerous mitochondria to produce enough energy (ATP) for active transport to take place.he distal convoluted tubule has a different structure and function to that of the proximal convoluted tubule. Cells lining the tubule have numerous mitochondria to produce enough energy (ATP) for active transport to take place.
Obesity is officially classified as a disease under the World Health Organisation's International Classification of Diseases. In a report published in 2000, the WHO said: Obesity is a chronic disease, prevalent in both developed and developing countries, and affecting children as well as adults.
Obesity has been officially recognized as a disease by the American Medical Association, an action that could put more emphasis on the health condition by doctors and insurance companies in order to minimize its effects.hose who did not agree with the change of classification cited that making obesity a disease would categorize one-third of Americans as being sick and may lead to more medication and surgeries that are expensive, instead of lifestyle changes.