Come Friday (or late Thursday night), millions of people still in or recovering from the Thanksgiving food coma will be battling in stores to save a few dollars.

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But he will spend the night in an induced coma and it will be some days before it is known if he will gain the full use of his hand.

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As Sharon has been in a coma for seven years, the fMRI evidence is positive, but it would be unusual for him to start talking, for example, given how long he has stayed in this state, Black said.

CNN: Sharon brain results not proof he'll wake up

Ms. Dimond, 58 and living in New York, recalls the Sunday she watched her mother in a coma and was able to fulfill her wishes never to be kept on external life support.

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