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Human Hibernation, A Possibility
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            Apr 22, 2005 7:0 IST  
WASHINGTON Researchers say experiments in forced hibernation might lead to a new way to buy time for critically ill animals -- or even people.

Scientists at Fred Htchinson Cancer Research Center in Seattle say they have -- for the first time -- induced reversible hibernation in mammals. They say the state could be a way to reduce the amount of oxygen needed to survive.

The results are being reported in this week’s journal Science.

Researchers used a small amount of hydrogen sulfide gas to force mice into a state of hibernation for six hours. The gas lowered the mammals’ metabolic rate by 90 percent, reducing the need for oxygen.

The mice were revived with fresh air. Testing found no differences in their behavior or functional ability. Researchers say the next step will involve trying to push larger animals into the hibernating state.
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