Charles Darwin suffered from agoraphobia (panic disorder). He suffered constant nausea, trembling, and crying; rendering him virtually bedridden from the age of 30 until his death. His disorder was so severe he even avoided conversations with his own children.
27. A rare neurological disorder called Witzelsucht is characterized by a tendency to make puns, or tell inappropriate jokes or pointless stories in socially inappropriate situations.
28. There is a woman named Sarah Carmen who suffers from Permanent Sexual Arousal Syndrome (PSAS), meaning she has more than 200 orgasms per day.
29. Stendhal syndrome (also known as hyperkulturemia) is dizziness caused by being overwhelmed by Florence's fantastic art.
30. There is a disease named Superior canal dehiscence that affects the inner ear and amplifies all internal sounds. It gets to the point where the sound of the eyeballs moving in their sockets sounds like "sandpaper on wood".