The U.S. Senate voted overwhelmingly on Wednesday to support sweeping legislation that will reshape the way the Food and Drug Administration approves new medicines. It will also provide funding for cancer and Alzheimer's research, help fight the opioid epidemic, expand access to mental health treatment and advance research into precision medicine. Two years in the making, the 21st Century Cures Act was passed last week by the House of Representatives and will now go to President Barack Obama to sign into law. Supporters say it will speed access to new drugs and devices, in part by allowing clinical trials to be designed with fewer patients and cheaper, easier-to-achieve goals. "For the second consecutive year, the Senate is sending the President another Christmas miracle for his signature,"…