This document discusses why everyone should learn CPR through three main points. First, it states that sudden cardiac arrest kills over 300,000 adults each year and CPR can help keep someone alive until emergency services arrive. Second, it explains that CPR works to keep the heart and lungs circulating oxygen to vital organs like the brain. Third, it notes that performing CPR can double a victim's chance of survival compared to if no CPR is administered. The document encourages taking a CPR class to gain the skills needed to potentially save a life.