while all of the drugs work on cgrp, they don�t all work the same way. three of them target the cgrp molecule itself. aimovig goes after cgrp's receptor in the brain.., and bones, and it�s not clear how the drugs will affect them after long-term use..

loder, who hasn't been involved with any cgrp drug studies, cautions that these medicines don't work for everybody. and they may be risky for some people..