Robin Young and Jeremy Hobson host Here & Now, a live two-hour production of NPR and WBUR Boston.
Some of these small parasites have been mutating and are now resistant to many over-the-counter medications.
The story of what's happened at Michigan over the last decade plays out in a new book by John Bacon.
Corey Reich was diagnosed with Lou Gehrig's disease in 2007 when he was 21. Now 29, he continues to do well.
Daniel James Brown decided to adapt his book after an increasing number of young people told him they loved the story.