three quarters

WASHINGTON (AP) -- More than three-quarters of Web sites that offer highly addictive medications do not require a prescription, according to a study released Wednesday....

ATLANTA (AP) -- The U.S. breast-feeding rate has hit its highest mark in at least 20 years with more than three-quarters of new moms nursing their infants, according to a government report released Wednesday....

Hormones produced by the heart eliminated human pancreatic cancer in more than three-quarters of the mice treated with the hormones and eliminated human breast cancer in two-thirds of the mice.

The treatment has not yet been tried in humans, but clinical trials are in the planning stages. The research will be presented at a symposium April 9 at the Experimental Biology 2008 conference in San Diego.