25,729 articles
John D. Birkmeyer
John D. Birkmeyer is an American general surgeon and health services researcher, elected to the National Academy of Medicine in 2006 and Chief Clinical Officer of Sound Physicians.
John D. McConnell
John D. McConnell is an American urological surgeon-scientist who served as the inaugural CEO of Wake Forest Baptist Medical Center from 2008 to 2017 and studied prostate disease.
John D. Stobo
John D. Stobo, known as Jack Stobo, is an American physician-scientist in immunology and rheumatology who led academic medicine at Johns Hopkins and the University of Texas Medical Branch.
John E. Affeldt
John E. Affeldt (1918–?) was an American physician who led Rancho Los Amigos' polio respiratory center and later the Joint Commission on Accreditation of Hospitals.
John Edward Porter
John Edward Porter was an American lawyer and Republican congressman from Illinois who, chairing the House NIH budget subcommittee, led the 1990s campaign to double NIH funding.
John Eu-Li Wong
John Eu-Li Wong is a Singapore medical oncologist-haematologist and academic leader at the National University of Singapore, who was dean of its medical school from 2003 to 2011.
John H. Bryant
John H. Bryant, also known as John Harland Bryant or Jack Bryant, was an American physician who led the US delegation to the 1978 Alma-Ata primary health care conference.
John H. Moxley III
John H. Moxley III (born 1935) is an American physician and health-policy leader who served as Assistant Secretary of Defense for Health Affairs and dean of two medical schools.
John Harvey Kellogg
John Harvey Kellogg (1852–1943), American physician, surgeon, and eugenicist who directed the Battle Creek Sanitarium, invented Granola and corn flakes with brother W.K. Kellogg, and was disfellowshipped from the Seventh-day Adventist Church in 1907.
John Kapoor
John N. Kapoor, Indian-born founder of Insys Therapeutics, convicted of racketeering conspiracy in 2019 for bribing doctors to prescribe the fentanyl spray Subsys and defrauding insurers; sentenced to 66 months in prison in 2020.
John L.S. Holloman Jr.
John Lawrence Sullivan "Mike" Holloman Jr. (1919–2002) was an American physician and civil-rights activist who founded the Medical Committee for Human Rights and led New York City's public hospitals.
John M. Balbus
John M. Balbus is an American physician who led the HHS Office of Climate Change and Health Equity from 2021 to 2025 and was elected to the National Academy of Medicine.
John Oliver Lang DeLancey
John Oliver Lang DeLancey is an American urogynecologist at the University of Michigan known for showing that pelvic organ prolapse often stems from childbirth muscle injury.
John Puskas
John D. Puskas is an American cardiothoracic surgeon known for off-pump coronary artery bypass surgery on the beating heart, and for major trials comparing it with conventional bypass.
John R. Ball
John R. Ball is an American physician, lawyer, and health care executive who led the American College of Physicians and the American Society for Clinical Pathology.
John R. Brinkley
John R. (Romulus/Richard) Brinkley, 1885-1942, American quack, the "goat gland doctor" of Milford, Kansas, radio pioneer behind KFKB and XERA, and two-time Kansas gubernatorial candidate.
John R. Lumpkin
John R. Lumpkin is an American physician and public health leader, the first African American trained in emergency medicine, who led the Illinois Department of Public Health for 12 years.
John Radcliffe (physician, born 1650)
John Radcliffe (baptized 1650, died 1714), English physician and royal doctor to William III, Mary II, and Queen Anne, whose £140,000 estate endowed Oxford's Radcliffe Camera, Observatory, and Infirmary.
John Rogan
John William Rogan was an American man from Tennessee who, at 267 cm (8 ft 9 in), was the second-tallest person ever recorded and the tallest of African descent.
John Snow
John Snow (1813–1858), English physician and anesthesiologist to Queen Victoria, proved cholera was waterborne via the 1854 Broad Street pump investigation and the south London Grand Experiment, founding modern epidemiology.
John Thomas sign
John Thomas sign, also called Throckmorton sign, is a humorous radiology term for a penile shadow on an AP pelvic X-ray pointing toward a hip or pelvic fracture; systematic review found it no better than chance.
John Tinniswood
John Alfred Tinniswood was an English supercentenarian and retired accountant, named the world's oldest living man in April 2024; he died at 112 years, 91 days.
John W. Bussman
John W. Bussman is an American physician and health-policy official who, as Medical Director of Oregon's Medicaid agency, wrote the 1993 defense of the Oregon Health Plan.
John W. Eckstein
John W. Eckstein, also known as John William Eckstein, was an American cardiovascular physician-scientist at the University of Iowa, serving 21 years as dean of its College of Medicine.
John W. Rowe
John W. Rowe, also known as John Wallis Rowe, is an American geriatrician and health policy professor at Columbia, known for the concept of successful aging and for leading Aetna.
John Wyn Owen
John Wyn Owen (1942–2020) was a Welsh public health leader, first director of NHS Wales, later Director-General of NSW Health and secretary of the Nuffield Trust.
Johns Hopkins Hospital
The Johns Hopkins Hospital, opened May 7, 1889 in Baltimore from Johns Hopkins's $7 million bequest, is the teaching hospital of the Johns Hopkins University School of Medicine (1893) and a top-20 U.S. News Honor Roll hospital.
Johnson & Johnson
Johnson & Johnson, founded 1886 in New Brunswick, New Jersey by Robert Wood Johnson and brothers, is a healthcare company making pharmaceuticals (Innovative Medicine) and medical devices (MedTech); consumer brands spun off as Kenvue, orthopedics separating as DePuy Synthes.
Johnson neuroectodermal syndrome
Johnson neuroectodermal syndrome (Johnson-McMillin syndrome, OMIM 147770) is a rare autosomal dominant disorder with alopecia, anosmia, conductive hearing loss with microtia, and hypogonadotropic hypogonadism; onset in childhood, prevalence under 1 in 1,000,000.
Joint
A joint, or articulation, is where two or more bones, or bone and cartilage, connect in the skeleton; joints allow movement like limb swinging or provide stability like the skull.