DNA provides proof. In 1998, Michael Ackerman, a researcher at the Mayo Clinic in Minnesota, heard about a 19-year-old athlete who had died after nearly drowning in only four feet of water while swimming at a fitness club in Iowa. At the time, Ackerman and several colleagues were studying a genetic disease called long QT syndrome.

Washington Post by Darshak Sanghavi

Tags: Dr. Michael Ackerman, Genomics, Long QT Syndrome, Mayo Clinic Rochester, Washington Post