Statistics Average incidence 20/100, 000 in North America 1 Million Affected in the United states Average of 50,0oo new cases each year in the U.S More than $5.6 billion spent each year for researchStatistics • Average incidence: 20/100,000 in North America • 1 Million Affected in the United States • Average of 50,000 new cases each year in the U.S • More than $5.6 billion spent each year for research