Medical Notes: Week of January 26, 2020

A look at the top medical headlines for the week of January 26, 2020, including: A new report from the American Cancer Society finds that in 2017, the overall cancer death rate dropped more than two percent. Then, a new experimental technique using a special kind of imaging and machine learning has been developed to battle colon cancer. Plus, a new machine that can keep livers alive outside the body for a week. And finally, a class of naturally occurring proteins called Sestrin can possibly deliver the benefits of exercise without moving a muscle.