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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.
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.
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.
Autopsy of brain with meningitis. Syphilis is a sexually transmitted infection that is brought upon by the gram negative bacteria, Treponema pallidum. Treponema pallidum are various spiral shaped motile bacteria of the family spirochaetaceae. [8]
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).
Simon John Ritchie [a] (10 May 1957 – 2 February 1979), better known by his stage name Sid Vicious, was an English musician, best known as the second bassist for the punk rock band Sex Pistols.
The CIRI data were used in over 170 countries by scholars, students, policymakers, and analysts representing over 400 organizations. CIRI's founders and co-directors were political scientists David Cingranelli at Binghamton University, SUNY [1] and David L. Richards at the University of Connecticut. [2] K.
Male infertility refers to a sexually mature male's inability to impregnate a fertile female. [1] Male infertility can wholly or partially account for 40% of infertility among couples who are trying to have children. [2]