Rare and baffling diseases you may have never heard about

Stendhal Syndrome Named after the 19th-century French author who first described the symptoms, Stendhal Syndrome triggers overwhelming emotional responses in individuals exposed to art.

Alice in Wonderland  Syndrome (AIWS) AIWS, or Todd’s Syndrome, alters a person’s perception, causing them to see objects larger or smaller than they actually are. 

Paraneoplastic Pemphigus An autoimmune blistering disorder, Paraneoplastic Pemphigus manifests as a result of the body’s response to neoplasms or cancerous cells.

Ondine's Curse This syndrome, formally known as Congenital Central Hypoventilation Syndrome (CCHS), affects automatic control of breathing. 

Exploding Head Syndrome This peculiar condition doesn’t involve any physical explosion, but those afflicted often report hearing loud noises, like a bomb detonation or cymbal crash, as they fall asleep or awaken.

Pantothenate Kinase-Associated Neurodegeneration (PKAN) PKAN is a type of neurodegeneration with brain iron accumulation. It causes progressive movement, speech, and vision difficulty, beginning in early childhood.

Hyper IgM Syndrome A rare immunodeficiency disorder, Hyper IgM Syndrome hampers the body’s ability to produce specific types of antibodies, making individuals susceptible to a variety of infections

Fibrodysplasia Ossificans Progressiva (FOP) FOP is an extremely rare connective tissue disorder that causes soft tissues to turn into bone, restricting movement over time progressively.