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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.