End of the road: Chris Nelson, left, and Brian Callanan, after finishing their 40-day bicycle ride from Calais, Maine, to Key West, on Labor Day weekend, 2006. Biking strengthens Callanan’s lungs; he has Cystic Fibrosis.
End of the road: Chris Nelson, left, and Brian Callanan, after finishing their 40-day bicycle ride from Calais, Maine, to Key West, on Labor Day weekend, 2006. Biking strengthens Callanan’s lungs; he has Cystic Fibrosis.
End of the road: Chris Nelson, left, and Brian Callanan, after finishing their 40-day bicycle ride from Calais, Maine, to Key West, on Labor Day weekend, 2006. Biking strengthens Callanan’s lungs; he has Cystic Fibrosis.

Exercise is key to building up lungs for Cystic Fibrosis patients

January 24, 2015 08:05 PM