Round-the-clock stress makes NFL coaching a health risk (The Associated Press)

Standing on the sideline, Dan Reeves felt the burning in his throat – a sure sign of heart trouble that could no longer be ignored. Within hours, Reeves, in the process of coaching the Falcons to the franchise’s first Super Bowl, was on the operating table for a quadruple bypass surgery that saved his life. Earlier this month, Reeves’ one-time backup quarterback in Denver, Gary Kubiak, cited health problems as the reason for his sudden retirement as coach of the Broncos.