11.   Anesthetics also cool the body.

12.   Cooling the bodies of people with severe head injuries failed to limit brain damage or save lives in a four-year study.

13.   Cooling the body just a few degrees appears to prevent brain damage in people who survive cardiac arrest but are left unconscious.

14.   Dr. Robert Spence at the University of Pittsburgh Medical Center said cooling the body is a necessity, but immersion may not be the best method.

15.   Finding ways to cool the body has emerged as one of the most competitive areas of stroke research.

16.   Force-fed constantly, its enormous body was cooled with water to relieve the heat generated by the effort of all the eating.

17.   Researchers have theorized that cooling the body may limit a chemical chain reaction in which injured brain cells release lots of proteins that kill neighboring cells.

18.   To simplify the process, several companies have developed cold-tipped catheters that can be inserted into a vein and cool the body from the inside out.