Give. Touch. Transform.
Support Mayo Now.
Share this site with others using one of these sharing tools.
To link to this article, paste this block of HTML code onto your webpage.
John Rizzo was deeply concerned when he was diagnosed with a rare disease, amyloidosis. "Fortunately, I was in the right place at the right time and met the right people." Read John's story.
![Mayo Clinic home page [logo]](/images-global/mayologo.gif)
