Tom Collier found out he has stage 1 lung cancer after a routine chest scan. Because the cancer was caught early, his doctors are optimistic about radiation treatment. More than 15 million Americans who are current and former smokers are recommended to get routine chest scans.
The cases could be linked to adenovirus infection, though health officials still don't know what has led to roughly 200 hepatitis cases of unknown origin in young children around the world. Wisconsin reported the first possible U.S. death this week.
A southwestern North Dakota dental practice has started using VELscope, a revolutionary device using LED light sources to identify abnormalities down to the bone. That deep look can help detect problems much earlier than just a glance. April is Oral Cancer Awareness Month.