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In order to become availible to pateints, drugs need to undergo a number of phases of clinical trials to test their efficacy and safty and to then be authorised by the drug approval organistion in each respective country. This is the FDA in the USA and N...
Within medicine, nutrition (the study of food and the effect of its components on the body) has many different roles. Appropriate nutrition can help prevent certain diseases, or treat others. In critically ill patients, artificial feeding by tubes need t...
Non-invasive bladder cancer is a cancer that is only in the inner lining of the bladder. Invasive bladder cancer is cancer that has spread into the deeper walls of the bladder. When the cancer has spread outside the bladder to other parts of the body, th...