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Ultimate Diseases Illnesses and Medical Conditions
Bacterial
Viral
Parasitic
Prion
Autoimmune condition
Tumor cell disease
Neurological/neuropsychological condition
Birth defect/genetic disease
Disease complication
Other
Lifelong: life-threatening if unmanaged, but normal, healthy life if managed well 😉100% fatal 💀
Extremely common and/or most well-known
Acne
ADHD
Allergies
Alzheimer's disease💀
Anemia
Arthritis
Asthma😉
Autism
Bone fractures
Brain cancer
Cerebral palsy
Chickenpox
Cholera
Colon cancer
Colourblindness
Common cold
COVID-19
Depression
Diabetes😉
Ebola
Eczema
Edema a.k.a. dropsy
Epilepsy😉
Epistaxis
Generalized Anxiety Disorder
H1N1
Hay fever
Headlice
Hepatitis
HIV/AIDS😉
Influenza a.k.a. "the flu"
Insomnia
Lactose intolerance
Leukemia
Lung cancer
Malaria
Measles
Migraines
Monkeypox a.k.a. Mpox
Multiple Sclerosis😉
Myocardial infarction a.k.a heart attack
Ovarian cancer
Pertussis a.k.a. whooping cough
Phobias
Pneumonia
Polio
Prostate cancer
Rabies💀
Sepsis
Skin cancer
Smallpox (no longer exists)
Social Anxiety Disorder
Staph food poisoning
Strep throat
Tetanus
Trisomy 21 a.k.a. Down Syndrome
Tuberculosis
Uterine cancer
Common and/or well-known
Albinism
ALS a.k.a. Lou Gehrig's disease💀
Anaphylaxis
Aneurysm
Anorexia nervosa
Appendicitis
Astrovirus
Athlete's foot
Avian flu
Bipolar disorder
Bone cancer
Bronchitis
Bubonic plague
Bulimia nervosa
Bunions
Carpal tunnel
Cataracts
Celiac disease😉
Conjoined twins
Conjunctivitis
Cowpox
Croup
Dengue fever
Diphteria
Dysentery
Dyslexia
E. coli
Erectile dysfunction
Fifth disease
Gangrene
Gender dysphoria
Gonorrhea
Herpes
HPV
Hypertension
Hypoglycaemia
Jaundice
Laryngitis
Leptospirosis
Liver cancer
Lumbago
Lymphoma
Mumps
Myopia
Nephrolithiasis a.k.a. kidney stones
Obsessive-Compulsive Disorder
Osteoporosis
Other coronaviruses (SARS-CoV1, etc.)
Pancreatic cancer
Panic attacks
Paraplegia
Parkinson's disease
Pharyngitis
Polycystic Ovary Syndrome (PCOS)
Psoriasis
PTSD
Rubella
Salmonella
Scarlet fever
Schizophrenia
Shingles
Sixth disease
Stockholm syndrome
Stomach ulcers
Stye
Swine flu
Syphilis
Tapeworms
Tinnitus
Tonsilitis
Tourette's syndrome
Typhoid fever
Typhus
Vitiligo
Yellow fever
Somewhat common and/or somewhat known
Acute radiation sickness
Astigmatism
Ataxia
Azoospermia
Binge-eating disorder
Borderline Personality Disorder
Borreliosis a.k.a. Lyme disease
Botulism
Bradycardia
Candidiasis a.k.a. thrush a.k.a. yeast infection
Chikunguya
Chlamydia
Clinodactyly
Crimean-Congo Hemmorrhagic Fever
Cryptosporidiosis
Cystic fibrosis a.k.a. mucoviscidosis😉
DID/OSDD
Dirofilariasis (dogs)
Dyscalculia
Dysgraphia
Endometriosis
Felinosis a.k.a. cat scratch fever
Fetal alcohol syndrome
Gastritis
Giardiasis
Gingivitis
Haemophilia
Hyperopia
Infectious mononucleosis a.k.a "mono"
Leprosy
Lordosis a.k.a. swayback
Lupus😉
Melanoma
Meningitis
Myelitis
Narcissistic Personality Disorder
Neuroma
Norovirus a.k.a. Norwalk virus a.k.a. winter vomiting disease
Pinworms
Pyeleonephritis
Ringworm
Rotavirus
Scabies
Scoliosis
Scurvy
Toxoplasmosis
Urinary tract infection
West Nile virus
Whiplash
Zika virus
Less common and/or lesser known
Alopecia areata
Amblyopia
Anthrax
Aplastic anemia
Asbestosis
Atherosclerosis
Balanitis
Café-au-lait spots
Campylobacter infection
Chagas disease
Chilblains
Chronic fatigue syndrome
Crabs
Crohn's disease
Dermatographic urticaria
Emphysema
Encephalitis
Ergotism
Fibromyalgia
GERD
Hernia
Hypernatremia
Hyphema
IBS
Impetigo
Intersex
Interstitial cystisis
Japanese encephalitis
Keloids
Lassa fever
Listeriosis
Marburg virus disease
Misophonia
Myiasis (DO NOT LOOK AT THE PICTURES)
Narcolepsy
Neuroblastoma
Nyctalopia
Obsessive-Compulsive Personality Disorder
Osgood-Schlatter Disease
Peritonitis
Periodontitis
Peripheral neuropathy
Prader-Willi Syndrome
Prosopagnosia
Psittacosis a.k.a parrot fever / ornithosis
Restless leg syndrome
Rickets
Rinderpest (cattle) (no longer exists)
River blindness
Rocky Mountain spotted fever
Sickle-cell anemia
SIDS💀
Strabismus
Tendonitis
Teratoma
Toxic shock syndrome
Wilson's disease
Yersiniosis
Uncommon and/or more obscure
Acanthocytosis
African sleeping sickness
Alice in Wonderland Syndrome
Angiostrongyliasis a.k.a. "rat lungworm disease"
Aspergilliosis
Avoidant/Restrictive Food Intake Disorder
Babesiosis
Beriberi
Boils
Botryomycosis
Brucellosis
BSE a.k.a. Mad Cow Disease💀
Burning mouth syndrome
Chancroid
Coal miner's lung disease
Congenital analgesia😉
Creutzfeld-Jakob Disease💀
Cyclosporiasis
Dermatillomania
Dyspraxia
Ehlers-Danlos syndrome
Elephantiasis
Folie à deux
Hantavirus
Hashimoto's disease a.k.a. Hashimoto's thyroiditis
Hemicrania continua
Huntington's chorea💀
Hydrocephalus
Legionnaire's disease
Leishmaniasis
Locked-in syndrome
Ménière's disease
Munchausen Syndrome
Murray Valley encephalitis virus
Myelodysplasia
Myxomatosis (rabbits)
New Brunswick neurological syndrome
Paraphelic Disorders
Polydactyly
POTS
Progeria a.k.a. Hutchinson-Gilford Syndrome a.k.a. "Benjamin Button disease"💀
Schizoid Personality Disorder
Situs inversus
Synesthesia
Trimethylaminuria a.k.a. "fish odour syndrome"
Toxic encephalopathy
Turner Syndrome
Von Willebrand disease
Wolff-Parkinson-White syndrome
Xenomelia
Zollinger-Ellison Syndrome
Very uncommon and/or very obscure
Acromegaly
Alpha-gal syndrome
Aphakia
Aquagenic urticaria
Baylisascariasis
Bell-clapper deformity
Black hairy tongue
Blackwater fever
Bronchopulmonary dysplasia
Cancrum oris a.k.a. noma (DO NOT LOOK AT THE PICTURES)
Chiggers
Chronic Wasting Disease (deer)💀
Dracunculiasis a.k.a. Guinea worm
Dysthymia
Exploding Head Syndrome
Fatal familial insomnia💀
Foreign accent syndrome
Gigantism
Granulomatous amoebic encephalitis
Guillain-Barré syndrome
Harlequin ichtyosis (DO NOT LOOK AT THE PICTURES)
Hirschsprung's disease
Hyperthymesia
Kala-azar
Klinefelter syndrome
Kuru💀
Maple syrup urine disease😉
Mass psychogenic illness
Melioidosis
Möbius syndrome
Naegleriasis a.k.a. "brain-eating amoeba"💀
Necrotizing fasciitis a.k.a. "flesh-eating disease"
Nipah virus
Oligodactyly
Pica
Polymelia
Progressive vaccinia
Q fever
Septicaemic plague
Syndenham's chorea a.k.a. St. Vitus' dance
Syringomyelia
Tay-Sachs Disease💀
Tularemia a.k.a. "rabbit fever"
Extremely uncommon and/or extremely obscure
Alpers disease💀
CADASIL
Capgras delusion
Copremesis
Cri-du-Chat syndrome
Cronkhite-Canada syndrome
Ectrodactyly
Evans syndrome
Feline spongiform encephalopathy a.k.a. FSE (cats)💀
Fountain syndrome
Galactosemia
MSA a.k.a. Multiple System Atrophy a.k.a Shy-Drager syndrome💀
Neurofibromatosis
Patau syndrome
Piebaldism
Renal glycosuria
Scrapie (sheep)💀
Syndactyly
Witzelsucht
Yaws
Ultra uncommon and/or ultra obscure
Achondrogenesis💀
Alkaptonuria a.k.a. "black urine disease"
Anencephaly💀
Argyria
Auto-brewery syndrome
Canavan disease (variant 1)💀
Clinical lycanthropy
Cotard delusion
Cyclopia (DO NOT LOOK AT THE PICTURES)💀
Epidermodysplasia verruciformis a.k.a. "Tree-Man Syndrome"
Fibrodysplasia Ossificans Progressiva a.k.a. "Stone Man Disease"💀
Fournier gangrene (DO NOT LOOK AT THE PICTURES)
Hendra virus
Idiopathic intracranial hypertension
Intermetamorphosis delusion
Jumping Frenchmen of Maine syndrome
Lima syndrome
Marie Antoinette syndrome
Macroglossia
Methemoglobinemia
Mirror-touch synesthesia
Morgellons disease
Pentasomy X a.k.a. Pentachromacy a.k.a. 49, XXXXX
Sirenomelia
Stiff man syndrome
Exceptionally uncommon and/or exceptionally obscure
Alexander Disease
Boanthropy
Conjoined triplets
Diprosopus
Encephalitis lethargica
Eosinophilic Granulomatosis with Polyangiitis
Fregoli delusion
Ganser syndrome
Gerstmann-Straussler-Scheinker Syndrome💀
Goodpasture's syndrome
Hallermann-Streiff Syndrome
Heart cancer
Jacobsen Syndrome
Klüver–Bucy syndrome
Mayer–Rokitansky–Küster–Hauser syndrome
Pachydermoperiostosis
Paris-Trousseau Syndrome
Poland syndrome
Reye's Syndrome
Variably Protease-Sensitive Prionopathy💀
XXXXY syndrome a.k.a. 49, XXXXY
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Doktorek
Science
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17 Jan 2026
12 Apr 2026
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