Because of costs imposed by burdensome regulations, drug companies often do not pursue research into treatments that could benefit patients.
Dr. Stephane Huberty learned this the hard way when he was diagnosed with myasthenia gravis.
The September 2, 2010 Wall Street Journal describes the measures Dr. Huberty had to take (including injecting himself with an unapproved treatment he helped develop) in its article, "Desperate for a Treatment, One Physician Heals Himself".
(Via Dr. AA.)