While in utero, a person forms an extra nipple and is affected by this for the rest of its life. Mostly from being made fun of on the high school sports team as "triple nipple". See also Body.
Seriously, the ancient Greeks believed that women's health issues were due to their womb wandering freely around their body. Disorders caused by the womb were remedied by making the woman smell a foul smell or applying a pleasant fragrance to the vagina. See also Body, Women.
The extreme fear of falling down. So much so, that someone with this disease never gets up.
Psst. Got something funnier? Add your own funny disease.
They'll slowly but surely kill you.
The fear of chopsticks.
Infectious disease contracted by inhaling bird feces. See also Birds.