Primary polydipsia Alcoholism may cause physiological thirst since ethanol inhibits vasopressin, the hormone primarily responsible for water retention in osmoregulation. The following conditions should also be excluded: DI, cerebral salt wasting, pseudohyponatraemia caused by hyperlipidemia or hyperparaproteinemia, SIADH, mineralcorticoid deficiency, salt-wasting nephropathy, nephrotic syndrome, chronic heart failure and cirrhosis. Tobacco smoking is an often overlooked factor linked to hyponatremia, due to the ADH-releasing effect of nicotine, although this is usually limited to heavy smokers. One study suggested that around 70% of patients with self-induced polydipsia were tobacco smokers. Diagnostic tests for primary polydipsia usually involves the fluid deprivation test to exclude ADH
Medicine in China enter medical university pre-PRC, or study at TCM universities in modern China. Physicians now are encouraged to open private clinics or hospitals, and those who have been practicing medicine for five years after they received national physician licenses can open their own clinics. The Chinese Medical Association is the largest and oldest non-governmental medical organization in China. It was established by a group of medical professionals in 1915 with an aim to uniting medical professionals, upholding medical ethics and advocating social integrity. It currently counts over 430,000 members and 82 specialty societies. It publishes over 70 medical journals (including the