Psittacosis Europe in 1879. In 1929, a highly publicized outbreak of psittacosis hit the United States. Although not the first report of psittacosis in the United States, it was the largest up to that time. It led to greater controls on the import of pet parrots. The aftermath of the outbreak and how it was handled led to the establishment of the National Institutes of Health. From 2002 through 2009, 66 human cases of psittacosis were reported to the Centers for Disease Control and Prevention, and most resulted from exposure to infected pet birds, usually cockatiels, parakeets, and macaws. Many more
Type A and Type B personality theory suggests that the Type 1 probands die mainly from cancer, type 2 from CHD, whereas Type 3 and especially Type 4 probands show a much lower death rate. Two additional types of personalities were measured, Type 5 and Type 6. Type 5 is a rational anti-emotional type, which shows characteristics common to Type 1 and Type 2. Type 6 personality shows psychopathic tendencies and is prone to drug addiction and AIDS. While most studies attempt to show the correlation between personality types and coronary heart disease, studies have suggested that mental attitudes constitute an important prognostic factor for cancer. As