 DRUG MAKES A CLOT DISSOLVE MORE EFFECTIVELY AND LOWERS THE RISK OF DAMAGE TO THE BRAIN. IT COULD ULTIMATELY BE A GAME CHANGER. AND HE'S HOPEFUL THE TREATMENT WILL EVENTUALLY BE USED AROUND THE WORLD. SCOTT MAYMON FOR CBS NEWS, CANBERRA, AUSTRALIA. NEW RESEARCH FINDS SOME DIABETES DRUGS ALSO USED FOR WEIGHT LOSS MAY LOWER THE RISK OF SOME OBESITY RELATED CANCERS.