David Carr is the name of two different individuals, one a former football quarterback and the other a journalist. Based on the search results, it seems that the question is referring to the journalist, David Carr.

David Carr was a journalist who worked for The New York Times. He was born on September 8, 1956, in Minneapolis, Minnesota, and died on February 12, 2015, in New York City at the age of 58. Carr collapsed in the newsroom of The New York Times and was pronounced dead at Mount Sinai Roosevelt Hospital. The cause of death was lung cancer, with heart disease listed as a contributing factor).

In summary, David Carr, the journalist, passed away on February 12, 2015, at the age of 58 due to lung cancer).