25,729 articles
Katphaladi kvatha curna
Katphaladi kvatha curna (Kaṭphalādi cūrṇa, AFI000553) is an Ayurvedic six-herb powder led by Myrica esculenta bark, dosed 5-10 g, used for dyspnea, cough, fever, and colic; one asthma trial favored the comparator Pippalyadi Churna.
Katsaridaphobia
Katsaridaphobia, also called cockroach phobia, is the fear of cockroaches, from Greek katsarída. It is an animal-type specific phobia treated mainly with exposure therapy, including single-session and augmented reality formats.
Kavli Prize in Neuroscience
The Kavli Prize in Neuroscience is a biennial award, first given in 2008, honoring major advances in neuroscience; laureates share $1 million, a gold medal, and a diploma.
Kawasaki disease
Kawasaki disease (Kawasaki syndrome), an acute childhood vasculitis first described by Tomisaku Kawasaki in 1967, mostly affects children under 5, causes coronary aneurysms, and is treated with IVIG plus aspirin; cause unknown.
Kayasthadya varti
Kayasthadya varti (Kāyasthādya vartti, Kayasthadi varti) is a classical Ayurvedic collyrium from Caraka Samhita Cikitsasthana 10.46-47, a goat's-urine-triturated herbal wick applied inside the eyelids for apasmara, unmada, snake bite, and poisoning.
Kayla Itsines
Kayla Itsines (born 1991) is an Australian personal trainer from Adelaide, co-founder and head trainer of the Sweat fitness app, creator of the Bikini Body Guide (BBG) 28-minute workouts, once the most-downloaded fitness app with $17M revenue in 2016.
Kayla Martell
Kayla Martell, Miss Delaware 2010, is an American beauty queen from Milford, Delaware, with alopecia areata who competed bald and in a wig at the 2011 Miss America pageant.
Kayyonnyadi Taila
Kayyonnyadi Taila (Kayyonyadi/Kayyanyadi Taila) is a classical Ayurvedic medicated sesame oil from Sahasrayogam and Chikitsa Manjari, applied externally for premature greying of hair (Palithya) and head, eye, and dental disorders.
KBG syndrome
KBG syndrome (OMIM #148050) is a rare autosomal dominant neurodevelopmental disorder caused by ANKRD11 variants or 16q24.3 deletions, marked by macrodontia of upper central incisors, distinctive facial features, short stature, and developmental delay.
KCNQ2-related developmental and epileptic encephalopathy
KCNQ2-related developmental and epileptic encephalopathy (KCNQ2-DEE) is a rare neonatal epilepsy syndrome caused by KCNQ2 gene variants, with seizures starting in the first week of life.
KCONVAC (Shenzhen Kangtai inactivated COVID-19 vaccine)
KCONVAC (康泰疫苗) is Shenzhen Kangtai's inactivated Vero-cell COVID-19 vaccine, authorized in China on 5 February 2021 with 79.34% efficacy, later discontinued after market changes.
KDM3B-related intellectual disability-facial dysmorphism-short stature syndrome
KDM3B-related intellectual disability-facial dysmorphism-short stature syndrome, or Diets-Jongmans syndrome (DIJOS, OMIM 618846), is a rare autosomal dominant disorder from pathogenic KDM3B variants at 5q31, causing intellectual disability, short stature, distinctive facial features, and possible cancer predisposition.
KDM5C-related syndromic X-linked intellectual disability
KDM5C-related syndromic X-linked intellectual disability, also called Claes-Jensen syndrome (OMIM 300534), is a rare X-linked recessive neurodevelopmental disorder caused by KDM5C histone demethylase variants, causing intellectual disability, speech delay, seizures, and short stature, mainly in males.
Kegel exercise
Kegel exercises, also called Kegels, are voluntary contractions of the pelvic floor muscles, first described by Arnold Kegel in 1948 and used to treat urinary incontinence and pelvic organ prolapse.
Keipert syndrome
Keipert syndrome (nasodigitoacoustic syndrome, OMIM 301026) is a rare X-linked recessive disorder caused by GPC4 loss-of-function variants, with facial dysmorphism, broad thumbs and great toes, and variable hearing loss and intellectual disability.
Keith D. Lillemoe
Keith D. Lillemoe is an American surgeon specializing in pancreatic and biliary surgery, formerly Surgeon-in-Chief at Massachusetts General Hospital and elected to the National Academy of Medicine in 2018.
Keith Peters (physician)
Sir (David) Keith Peters, born 1938, is a Welsh clinical immunologist who was Regius Professor of Physic at Cambridge from 1987 to 2005 and pioneered plasma exchange.
Kel-Load trial
Kel-Load trial: Malaysian randomised double-blind trial (64 patients) testing Kelulut stingless bee honey versus Carborie maltodextrin for pre-operative carbohydrate loading in elective intra-abdominal surgery, with equivalent glucose, gastric, and recovery outcomes.
Kell antigen system
Kell antigen system (ISBT KEL, 006): 38 red cell antigens on the KEL glycoprotein, discovered 1946 after Mrs Kelleher; K/k antithetical antigens, third most immunogenic after ABO and Rh D, causing HDFN and transfusion reactions.
Keloid
Keloid: a benign, raised fibroproliferative scar that grows beyond the original wound, common in darker skin tones and ages 10-30; treated with steroid injections, surgery plus adjuvant therapy, silicone, pressure, or radiation.
Keloid or hypertrophic scars
Keloid and hypertrophic scars are raised pathological scars from excess dermal collagen. Keloids grow beyond the wound and recur after excision; hypertrophic scars stay confined and regress in 12–24 months.
Ken Weeks
Ken Weeks (Kenneth Loxton Weeks, born 5 October 1913, Grafton, NSW) is an Australian supercentenarian, oldest living person in Australia since 2024, oldest Australian man ever at 111 years 189 days, and 113 years old as of October 2026.
Kendall M. Campbell
Kendall Marvin Campbell is an American family physician and academic who chairs Family Medicine and Community Health at UTMB Galveston, elected to the National Academy of Medicine in 2021.
Kennedy disease
Kennedy disease, or spinal and bulbar muscular atrophy (SBMA), is an X-linked recessive adult-onset motor neuron disorder caused by CAG repeat expansion in the androgen receptor (AR) gene, causing male limb and bulbar weakness, gynecomastia, and slow progression.
Kennel cough
Kennel cough is the common name for canine infectious respiratory disease complex (CIRDC), a highly contagious dog syndrome marked by a harsh, dry cough, caused by various mostly viral pathogens.
Kenneth and Mamie Clark
Kenneth B. Clark (1914–2005) and Mamie Phipps Clark (1917–1983) were American psychologists whose doll tests supplied key evidence for Brown v. Board of Education in 1954.
Kenneth B. Wells
Kenneth B. Wells is an American psychiatrist and health services researcher at UCLA who developed collaborative care for depression and won the 2018 Sarnat International Prize in Mental Health.
Kenneth D. Mandl
Kenneth D. Mandl is an American pediatrician and biomedical informatician who directs CHIP at Boston Children's Hospital, holds a Harvard professorship, and won a PECASE award for automated biosurveillance.
Kenneth David Mandl
Kenneth David Mandl is an American pediatrician and biomedical informatician who directs the Computational Health Informatics Program at Boston Children's Hospital and is known as the architect of SMART on FHIR.
Kenneth H. Cooper
Kenneth H. Cooper (born March 4, 1931) is the American physician who coined "aerobics", wrote the 1968 bestseller Aerobics, created the 12-minute fitness test and Aerobics Point System, and founded the Cooper Institute and Cooper Center Longitudinal Study in Dallas.