(CNN) -- Losing blood has immediate and guaranteed effects on the human body. In three to four minutes, neurons in the brain begin to die. In four to five minutes, permanent brain damage occurs. In 20 minutes, the heart no longer beats.
It is this certainty that drives doctors such as Dr. Hasan Alam to find new ways to make the bleeding stop and to buy more time for a patient with a life-threatening injury.
Alam is a trauma surgeon at Massachusetts General Hospital. The Department of Defense is putting its hopes in his and other research teams across the country to find new and better ways to save soldiers on the battlefield, and ultimately, in emergency rooms everywhere.
It may sound like science fiction, but his work is focusing on what he calls "emergency preservation" or "suspended animation." Some call it extending life; others call it cheating death. So far, it's been successful in human-sized pigs.
Asked by Anonymous at 8:43 AM on Oct. 14, 2009 in Politics & Current Events
Answer by LilCaprica at 11:42 AM on Oct. 14, 2009
Answer by samurai_chica at 9:20 AM on Oct. 14, 2009
Answer by baconbits at 11:23 AM on Oct. 14, 2009