10 Rarest Illnesses Top 10 rarest illnesses; from exploding head syndrome to foreign accent syndrome. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook 10 Strangest Medical ConditionsDate06/01/2015In relation toعالم الانترنت10 Rarest & Most Endangered AnimalsDate05/02/2015In relation toعالم الانترنتTop 10 Weirdest Sleep Disorders You Do Not WantDate20/09/2017In relation toترفيه