Senate Majority Leader Mitch McConnell (R-Ky.) announced that the chamber will be moving on to other priorities after the latest version of Affordable Care Act (ACA) repeal-and-replace legislation was defeated by a narrow 51-49 vote early Friday. Republican Senators John McCain (Ariz.), Susan Collins (Maine) and Lisa Murkowski (Alaska) joined all Democrats and the two independents in opposition to the Health Care Freedom Act, which would have eliminated the ACA’s mandates on individuals and employers to buy health insurance, and would have also repealed the medical device tax.

July 27, 2017 — There is good news when it comes to the heart’s sinoatrial node (SAN), the body’s natural pacemaker. Scientists at The Ohio State University Wexner Medical Center have shown the human SAN is hardwired with a backup system — three diverse regions of pacemakers acting as batteries and up to five conduction pathways that act as wires to connect the signal to the atria.