25,729 articles
Children's Health Insurance Program
The Children's Health Insurance Program (CHIP), formerly SCHIP, is a joint federal-state program created in 1997 that covers uninsured children whose families earn too much for Medicaid; some states also cover pregnant women.
Children's Hospital of Philadelphia
Children's Hospital of Philadelphia (CHOP), founded November 23, 1855, is the first US hospital dedicated exclusively to children, a nonprofit pediatric hospital in Philadelphia known for vaccine firsts, fetal surgery, gene therapy, and top US News rankings.
Children's Medical Center (Dallas, US)
Children's Medical Center Dallas, flagship of Children's Health at 1935 Medical District Dr, is a 488-bed academic pediatric hospital, North Texas's only pediatric Level I trauma center, founded 1913 as the Dallas Baby Camp, to be replaced by a $5B campus in 2031.
Children's Medical Center (Tehran, IR)
Children's Medical Center (مرکز طبی کودکان تهران), Tehran, Iran: public pediatric teaching hospital of Tehran University of Medical Sciences, founded 1969, Pediatrics Center of Excellence, major national referral and subspecialty training hospital.
Children's National
Children's National is a nonprofit pediatric academic health system in Washington, D.C., chartered in 1870, with 326 beds and a ranking among the top 10 children's hospitals nationally.
Children's Research Hospital
Children's Research Hospital (小児疾患研究施設, Kyoto Prefectural Children's Hospital) is the pediatric facility of Kyoto Prefectural University of Medicine, completed November 1982, now part of a pediatric cancer core hospital with PICU and PCAT.
Chills
Chills (rigors, shaking chills) are a cold sensation with involuntary shivering that raises core temperature, often at fever onset. A 2024 meta-analysis found shaking chills highly specific (0.87) but insensitive (0.37) for bacteremia in adults.
CHIME syndrome
CHIME syndrome (Zunich neuroectodermal syndrome, OMIM 280000) is an extremely rare autosomal recessive PIGL-related congenital disorder of glycosylation marked by colobomas, heart defects, migratory ichthyosiform dermatosis, intellectual disability, and conductive hearing loss.
Chimerism analysis
Chimerism analysis is a laboratory method that quantifies donor versus recipient hematopoietic cells in blood or marrow after stem cell transplantation, confirming engraftment and signaling relapse through STR-PCR testing.
Chimney technique (endovascular aneurysm repair)
The chimney technique (Ch-EVAR) is an endovascular aneurysm repair method in which a covered stent runs parallel to the main aortic stent-graft, preserving branch-vessel blood flow.
Chin
The chin (mental protuberance) is the bony midline prominence of the human mandible, unique to Homo sapiens and used to identify our fossils; hypotheses include mastication, sexual selection, speech, and spandrel explanations.
Chin augmentation
Chin augmentation is a surgical or injectable procedure that reshapes the chin to improve facial balance, done with an implant, an osseous genioplasty, or injectable filler.
Chinese Clinical Trial Register
The Chinese Clinical Trial Register (ChiCTR) is China's national clinical trial registry, launched in 2004 by the Chinese Cochrane Centre at West China Hospital, Sichuan University, in Chengdu.
Chinese food therapy (食疗)
Chinese food therapy (食疗, shiliao) is the traditional Chinese medicine branch using foods classified by thermal nature, five flavors, and organ affinity to prevent and treat illness, regulated in China through the 110-item food-drug substances catalog.
Chinese herbology
Chinese herbology (中药学, zhongyao xue), also called Chinese materia medica, is the herbal branch of traditional Chinese medicine, covering the properties, processing, and combination of plant, animal, and mineral remedies.
Chinin hydrochlorid
Chinin hydrochlorid (quinine hydrochloride, CAS 7549-43-1) is the hydrochloride salt of the cinchona alkaloid quinine, formulated mainly as 300 mg/mL parenteral solution for treating severe malaria by rate-controlled infusion.
Chinnodbhavadi kvatha curna
Chinodbhavadi kvatha curna (Chinnodbhavādi Kvātha Cūrṇa) is an Ayurvedic coarse-powder decoction formula from the Sahasrayoga and Ayurvedic Formulary of India (AFI I 4:7), dosed at 48 g, mainly for Amlapitta (gastric ulcer), with Guduchi and Vasa as lead ingredients.
Chiropractic
Chiropractic, founded by D.D. Palmer in 1895, is a licensed health care profession using spinal manipulation and manual therapy, mainly for pain; 11.0% of U.S. adults used it in 2022.
Chiropractic controversy and criticism
Chiropractic controversy and criticism: disputes over the profession founded by D.D. Palmer in 1895, covering the AMA conflict and Wilk v AMA, efficacy evidence for low-back pain, adverse events, and scope-of-practice criticism.
Chirurgia
Chirurgia (ISSN 1221-9118) is a bimonthly open-access peer-reviewed general surgery journal from Bucharest, official journal of the Romanian Society of Surgery, published by Editura Celsius, indexed in MEDLINE and ESCI, 2025 impact factor 1.1.
Chitayat syndrome
Chitayat syndrome is an extremely rare autosomal dominant genetic disorder caused by ERF gene variants, marked by respiratory distress from birth, shortened index fingers, and distinctive facial features.
Chitosan nanoparticles
Chitosan nanoparticles are drug-delivery particles, typically tens to hundreds of nanometers wide, made from chitosan, a positively charged polysaccharide derived from crustacean shells, studied for drug and gene delivery.
Chlamydia
Chlamydia, caused by Chlamydia trachomatis, is a common curable bacterial STI with about 128.5 million new infections in 2020; often asymptomatic, treatable with doxycycline, no vaccine exists.
Chlamydia (genus)
Chlamydia (genus Chlamydia, family Chlamydiaceae): gram-negative obligate intracellular bacteria with a biphasic cycle of infectious elementary bodies and replicative reticulate bodies; includes human pathogens C. trachomatis, C. pneumoniae, and C. psittaci.
Chlamydia trachomatis
Chlamydia trachomatis, an obligate intracellular bacterium with a biphasic EB/RB developmental cycle, causes trachoma and the world's most common bacterial STI; treated with doxycycline, no vaccine exists.
Chlamydial conjunctivitis
Chlamydial conjunctivitis, or adult inclusion conjunctivitis, is a chronic follicular conjunctivitis caused by sexually transmitted Chlamydia trachomatis serovars D-K; related neonatal and trachoma forms exist, treated with systemic azithromycin or doxycycline.
Chlamydial peritonitis
Chlamydial peritonitis (ICD-11 1C21; ICD-10-CM A74.81) is peritoneal infection by Chlamydia trachomatis, mostly in women via fallopian tube spread, causing pain, ascites, and high CA125 that mimics cancer or tuberculosis.
Chloe Ting
Chloe Ting, Bruneian certified personal trainer and YouTube fitness creator (over 24M subscribers), known for free multi-week home workout challenges like the 2 Week Shred, the Core app, and 2020 Streamy Award.
Chlophedianol
Chlophedianol (clofedanol, SL-501) is a centrally acting, non-opioid OTC antitussive, C17H20ClNO, used for dry cough in US combination liquids like Ninjacof; mechanism poorly understood, few clinical trials.
Chloracne
Chloracne, also called MADISH, is a persistent acneform eruption caused by halogenated aromatic hydrocarbons, especially dioxin (TCDD), producing comedones, cysts, and nodules on cheeks, postauricular skin, axillae, and groin with a spared nose.