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Syphilis (/ ˈ s ɪ f ə l ɪ s /) is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum. [1] The signs and symptoms depend on the stage it presents: primary, secondary, latent or tertiary.
The history of syphilis has been well studied, but the exact origin of the disease was the source of debate until archaeological and genetic evidence showed conclusively it originated in the Americas.
Guatemala. The Guatemala syphilis experiments were United States-led human experiments conducted in Guatemala from 1946 to 1948. The experiments were led by physician John Charles Cutler, who also participated in the late stages of the Tuskegee syphilis experiment.
Meningeal syphilis (as known as syphilitic aseptic meningitis or meningeal neurosyphilis) is a chronic form of syphilis infection that affects the central nervous system. ...
Tabes dorsalis is a late consequence of neurosyphilis, characterized by the slow degeneration (specifically, demyelination) of the neural tracts primarily in the dorsal root ganglia of the spinal cord (nerve root).
The Tuskegee Study of Untreated Syphilis in the Negro Male [1] (informally referred to as the Tuskegee Experiment or Tuskegee Syphilis Study) was a study conducted between 1932 and 1972 by the United States Public Health Service (PHS) and the Centers for Disease Control and Prevention (CDC) on a group of nearly 400 African American men with syphilis.
As a result of the 20 July 1944 assassination attempt on Hitler – in which he survived a bomb explosion at his Wolf's Lair headquarters – both of his eardrums were punctured, and he had numerous superficial wounds, including blisters, burns, and 200 wood splinters on his hands and legs, cuts on his forehead, abrasions and swelling on his left arm, and a right arm that was swollen, painful ...