Doctors Try to Help Body Grow its Own Bypasses By LAURAN NEERGAARD    WASHINGTON (AP) -- Peter Cummins lay still as doctors administered 20 injections into the 81-year-old's calves and thighs, hoping the genetic experiment will spur new blood vessels to grow around his clogged leg arteries.    The experiment at the National Institutes of Health marks a resurgence in attempts to get the body to grow its own bypasses, at first in the legs and, if that works, perhaps later in the heart... 

Which of the following sections of a newspaper would this article likely appear in? World News, Sports, Business, or Science and Technology? 