Dr. Kristopher McDonough, M.D. answers common safety concerns about radiation and explains how modern low-dose CT technology minimizes exposure while delivering high-quality images. Hear practical comparisons to everyday radiation, why cumulative dose matters, and why the test is considered safe for annual lung cancer screening. Keywords: radiation exposure, low-dose CT, scan safety, cumulative radiation, screening safety. Want to know if LDCT is right for you? Visit silvercross.org for details and subscribe to our channel for more health videos. Thank you to the Village of New Lenox for sponsoring this episode!