Polydipsia is possible to rule out psychogenic polydipsia or habit polydipsia. Polydipsia is a symptom (evidence of a disease state), not a disease in itself. As it is often accompanied by polyuria, investigations directed at diagnosing diabetes insipidus and diabetes mellitus can be useful. Blood serum tests can also provide useful information about the osmolality of the body's extracellular fluids. A decrease in osmolality caused by excess water intake will decrease the serum concentration of red blood cells, blood urea nitrogen (BUN), and sodium. Polydipsia Polydipsia is excessive thirst or excess drinking. The word derives from the Greek () "very thirsty",
Complications: A Surgeon's Notes on an Imperfect Science caused by the brain. Doctors are unsure of the causes of this pain and don’t exactly know how to treat it. This mystery surrounding medicine demonstrates its own imperfection that doctors and patients should both be aware of. By knowing the shortcomings of medicine, doctors and patients alike are able to improve the care and doctor-patient relationship since they are aware of what medicine can accomplish through science and its limitations. "Complications: A Surgeon’s Notes on an Imperfect Science" goes over many of the ethical issues present in medicine today. In "Education of a Knife," the morality of the learning