A student nurse named Lauren Kozak recently demonstrated the importance of CPR training when she saved a man's life in Chicago. While on her way to class, Kozak noticed a man lying unresponsive on the sidewalk. Acting quickly, she assessed the situation and discovered that he had no pulse. Without hesitation, she began performing CPR, continuing until paramedics arrived. Kozak's swift response and life-saving actions were commended by witnesses and medical professionals. In an interview…