Men's Screening Tests Slideshow Women's Screening Tests Slideshow X-ray: High-energy radiation with waves shorter than those of visible light. X-ray is used in low doses to make images that help to diagnose diseases and in high doses to treat cancer. From Healthy Resources Are You Ready for Back Surgery?15 Screenings You May Get for FreeMedical Help for Mom and Her Preemie Featured Centers When Prostate Cancer SpreadsEssential Tips to Manage DiabetesWhat Is Cystic Fibrosis? What Causes It? Health Solutions From Our Sponsors Kept Your Wisdom Teeth? What is TAVR?