NFL's Chris Borland Retires, League's Future QuestionedSan Francisco 49ers Linebacker Chris Borland announced his retirement last week, making him the fifth high-profile NFL player younger than 30 to retire this off-season. After a strong rookie season, Borland, 24, is retiring because of his concerns about the long-term effects of repetitive head trauma. Similar worries also have led several top college players to leave the game, and fewer youngsters are playing youth football as head injury dangers becomes better known.
■Class discussion: Was Borland smart to give up the chance of making millions to protect his health? Why or why not? A study paid for by the by NFL said one third of the league's retired players will develop long-term cognitive problems. Why are so many players eager to risk dementia to play in the NFL? Why would amateur players take the risk? What other jobs carry great health risks but for far less reward? Find the 10 most dangerous jobs in the United States. Does the list surprise you? Do you know anyone working any of those jobs?