That 5%-10% number is a little close to number of people with rare diseases, per wikipedia: > European Union has suggested that between 6 and 8% of the Europea

That 5%-10% number is a little close to number of people with rare diseases, per wikipedia: > European Union has suggested that between 6 and 8% of the European population could be affected by a rare disease sometime in their lives. Obviously some of rare diseases are quite visible and obvious, but I wonder how many aren't.