The human sigh acts as a physiological reset button.
23
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Only 1% of bacteria cause disease.
45
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108