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You know that friend of yours, the one who's really into running? He might actually be running himself right into an early grave: new research has discovered that too much exercise can be bad for your heart.

History could be in the making this weekend, with a defensive player and a freshman highlight among this year’s finalists for the Heisman Trophy. Texas A&M quarterback Johnny Manziel, Notre Dame linebacker Manti Te’o and Kansas State quarterback Collin Klein were announced as candidates for football’s most prestigious trophy, which will be awarded Saturday night.

Robert Griffin III threw an 8-yard touchdown pass to Pierre Garcon early in the fourth quarter, and the Washington Redskins held on to beat the New York Giants, 17-16 in Landover, Md. on Monday night.

Here’s a look at some interesting events that took place on this day in history: 1875: Notorious New York City politician Boss Tweed escapes from prison and flees the country (more info) 1918: President Woodrow Wilson sails for the World War I peace talks in Versailles, becoming the first U.S. president to travel to Europe while in office (more info)

Here's a look at some notable birthdays being celebrated today: Jeff Bridges Age: 63 Occupation: Actor and Musician Known For: Winning an Oscar for his work in 'Crazy Heart,' and starring in other films like 'Starman,' 'The Fabulous Baker Boys,' 'True Grit' and 'The Big Lebowski'

Earlier this week, five states announced plans to add a minimum of 300 extra hours to molding young minds in the classroom next year in hopes of strengthening the American student performance.

America is a middle-class nation, at least if you ask Americans. Gallup surveyed 1,009 adults if they were "upper class," "upper-middle class," "middle class," "working class" or "lower class."

Clean water is something many of us take for granted, but a troubling new study suggests that pesticides in tap water may be responsible for a recent increase in food allergies.

As expected, Notre Dame and Alabama will meet in the BCS National Championship Game to award another trophy to one of college football’s most successful programs. However, the complete bowl lineup was not without some surprises, including #15 Northern Illinois crashing the BCS party and 9-3 Louisiana Tech being left home for the holidays after their administration turned down an Independence Bowl

Murder is more like an infection than a random act, according to a new study. This may help police contain a city's homicide rate, through better understanding of where future murders are more likely to occur.