25,729 articles
Jejunum
Jejunum: middle small intestine segment between duodenum and ileum, about 2.5 m and 40% of small bowel length; lacks Brunner's glands and Peyer's patches; main absorption site for carbohydrates, peptides, folate, calcium, magnesium.
JeKo-1
JeKo-1 (JEKO-1, CVCL_1865) is a human mantle cell lymphoma cell line from a 78-year-old woman's peripheral blood, t(11;14)-positive, CD19+, suspension-growing, distributed as ATCC CRL-3006 and DSMZ ACC 553.
Jenkem
Jenkem, also called butthash, is an alleged inhalant made by fermenting feces and urine and huffing the gas; reported among Zambian street children, but the 2007 US school-drug panic was a Totse.com forum hoax.
Jennifer L. Howse
Jennifer L. Howse is a public health leader who led the March of Dimes from 1990 for more than two decades, launching its 2003 Prematurity Campaign.
Jenvac
JENVAC (Jenvac) is an inactivated, Vero cell-derived Japanese encephalitis vaccine from the Indian Kolar strain 821564XY, developed by ICMR-NIV and Bharat Biotech, DCGI-approved 2013, single-dose seroprotection 98.7%, used in India's immunization program.
Jeremiah A. Barondess
Jeremiah A. Barondess is an American general internist and population-health scholar, professor of clinical Epidemiology at Columbia's Mailman School and president emeritus of the New York Academy of Medicine.
Jeremiah Stamler
Jeremiah Stamler (1919-2022), American cardiologist called the father of preventive cardiology; Northwestern founding chair who established cardiovascular risk factors and led the INTERSALT salt-blood pressure study, and fought HUAC to the Supreme Court.
Jeremy Greenlee
Jeremy Greenlee is an American neurosurgeon and clinician-scientist at the University of Iowa, known for research on the neural mechanisms of speech and deep brain stimulation in Parkinson's disease.
Jerome Adams
Jerome Adams, American anesthesiologist, 20th U.S. Surgeon General (2017-2021) under Trump, earlier Indiana state health commissioner (2014-2017); issued 2018 naloxone advisory, led COVID-19 messaging, resigned at Biden's request, now Purdue professor.
Jerome Oziel
Jerome Oziel, Beverly Hills clinical psychologist who treated Erik and Lyle Menendez, recorded their 1989 murder confessions, testified as key prosecution witness in 1993, and surrendered his California psychology license in 1997.
Jerris R. Hedges
Jerris R. Hedges is an American emergency physician who served as Dean of the John A. Burns School of Medicine in Hawaii from 2008 to 2023.
Jervell and Lange-Nielsen syndrome
Jervell and Lange-Nielsen syndrome (JLNS), also called surdo-cardiac syndrome, is an autosomal recessive long QT syndrome with congenital deafness, caused by KCNQ1 or KCNE1 mutations, first described in Norway in 1957.
Jessica Ainscough
Jessica Ainscough, the "Wellness Warrior" (c. 1984/1985 – 26 February 2015), was an Australian blogger and former Dolly magazine editor who rejected amputation for epithelioid sarcoma, promoted Gerson Therapy, and died of cancer at 30; her mother Sharyn also died following the regimen.
Jessica Ancker
Jessica S. Ancker is an American biomedical informatics and health communication scientist who is a professor at Vanderbilt University Medical Center and received the Presidential Early Career Award in 2025.
Jessica Knurick
Jessica Knurick, PhD, RDN, is an American registered dietitian and nutrition scientist (ASU PhD 2015, UNLV faculty) known for debunking MAHA and wellness misinformation to over 1.4 million Instagram followers.
Jessner lymphocytic infiltration of the skin
Jessner lymphocytic infiltration of the skin, also called Jessner-Kanof syndrome, is a rare, harmless skin condition with recurrent red papules and plaques on sun-exposed skin.
Jet injector
Jet injector: also called needle-free or needle-free jet injector (NFJI, DSJI); a device delivering drugs or vaccines through skin via a high-pressure liquid jet without a needle; used in smallpox mass campaigns, insulin delivery, and influenza vaccination, with cross-contamination risk in multi-use-nozzle models.
Jet ventilation
Jet ventilation, or high-frequency jet ventilation, delivers small gas pulses through a narrow cannula to oxygenate the lungs without a tracheal tube, mainly during airway surgery and bronchoscopy.
Jeune syndrome
Jeune syndrome (asphyxiating thoracic dystrophy, JATD), an autosomal recessive short-rib ciliopathy with narrow thorax, short limbs, and trident acetabula; genes include IFT80 and DYNC2H1. Distinct from Young syndrome, a sinopulmonary-infertility disorder.
Jewish Hospital
Jewish Hospital (UofL Health – Jewish Hospital), Louisville, Kentucky hospital founded by the Jewish community, opened 1905; known for hand transplants, AbioCor artificial heart firsts, and all five solid organ transplants.
Jian-Ping Dai (戴建平)
Jian-Ping Dai (戴建平) was a Chinese radiologist and neurointerventional pioneer who led Beijing Tiantan Hospital from 1993 to 2008 and was elected to the US National Academy of Medicine in 2012.
Jianan Li
Jianan Li (Li Jian'an) is a Chinese rehabilitation-medicine physician at Nanjing Medical University, elected a Foreign Associate of the U.S. National Academy of Medicine in 2014.
Jiangsu Province Hospital
Jiangsu Province Hospital (江苏省人民医院), the First Affiliated Hospital of Nanjing Medical University, is a Grade III A comprehensive hospital in Nanjing founded in 1936 in Zhenjiang, with 3,685 beds and a National Medical Center bid.
Jichuan Jian
济川煎 (Jichuan Decoction), a classic Chinese medicine formula from the Ming-dynasty Jingyue Quanshu by Zhang Jingyue, combines danggui, niuxi, roucongrong, zexie, shengma, and zhiqiao to warm the kidney and moisten the intestines for kidney-deficiency constipation; now a registered classic-formula granule.
Jieyu Chufan capsules
Jieyu Chufan capsules (解郁除烦胶囊) are a class 1.1 innovative Chinese patent medicine by Yiling Pharmaceutical, approved December 2021 for mild-to-moderate depression of the qi-stagnation phlegm-obstruction, depressed-fire pattern, derived from Banxia Houpo and Zhizi Houpo formulas.
Jieyu Tang
解郁汤 (Jieyu Decoction), a classical Chinese herbal formula from Fu Shan's Fu Qingzhu Nüke for pregnancy-related hypochondriac pain; listed in China's 2023 Ancient Classic Formulas Catalogue, second batch; also the name of several other historical formulas.
Jill Bolte Taylor
Jill Bolte Taylor, American neuroanatomist and author of My Stroke of Insight and Whole Brain Living; Harvard-trained, suffered a 1996 left-hemisphere stroke at 37 and recovered over eight years; her 2008 TED talk has over 30 million views.
Jillian Michaels
Jillian Michaels, American personal trainer and media personality, trainer on NBC's The Biggest Loser (2004-2013), creator of The Fitness App, Empowered Media founder, and later MAHA-aligned commentator.
Jim Fixx
Jim Fixx (1932-1984), American author of The Complete Book of Running (1977), which sparked the US running boom; died of a heart attack at 52 while running in Vermont, with severe coronary disease and a strong family history.
Jing (精) (Chinese medicine)
Jing (精, essence) is a core Chinese medicine vital substance, the material basis of life, mainly stored in the Kidney as Shen-Jing (Kidney essence); grounded in the Huangdi Neijing and standardized in WHO terminology, distinct from qi and shen.