Our happy hour fact to amaze your drinking buddies with.

Only 25 percent of those between the ages of 17 and 24 are eligible to enroll in the military, according to a Pentagon report.

The biggest culprit is obesity, which is the major reason 35 percent of all 17-to-24 year olds can't meet the military's medical and physical requirements. Illegal drug use knocks out another 18 percent; 9 percent don't have a high-enough IQ for enrollment; 6 percent have too many dependents; and 5 percent have a criminal record.

To deal with this shrinking pool of potential recruits, the military has increased the number of waivers given for asthma, past marijuana use and too many dependents.

In happier news, 100 percent of America's youth remain eligible to play "Call of Duty: Modern Warfare 2."

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