Narod SA. Tamoxifen ChemopreventionâEnd of the Road?. JAMA Oncol. 2015;1(8):1033â1034. doi:10.1001/jamaoncol.2015.2247. Download citation file:
About Rare Diseases. A rare disease is defined by the European Union as one that affects less than 5 in 10,000 of the general population. There are between 6,000 and 8,000 known rare diseases. Around five new rare diseases are described in medical literature each week.
Treemen and zombies and werewolves, oh my! These things may sound like fiction, but these nicknames are actually associated with certain rare diseases. Here are 10 of the most unusual and rare medical conditions out there: Fibrodysplasia ossificans progressiva, âStone Man Syndromeâ. Fibrodysplasia ossificans progressiva (FOP) is a progressive genetic disorder that turns soft tissues into bone over time.