Video: Who should be screened for colorectal cancer?

Colorectal cancer is the second-leading cause of cancer death in the U.S. The U.S. Preventive Services Task Force and the Multi-Society Task Force on colon cancer encourage patients to start screening at age 50 unless they have other risk factors like family history or inflammatory diseases that could predispose them to colon cancer. However, African Americans may consider getting screened at an earlier age. Dr. John Kisiel, a Mayo Clinic gastroenterologist, explains who is at risk.

‘Semantic similarity’ leads to novel drug candidates for Parkinson’s disease

The words that researchers use to describe their results can be harnessed to discover potential new treatments for Parkinson’s disease, according to a new study publishing March 2nd in the open access journal PLoS Biology by Angus McQuibban of the University of Toronto, Canada, and colleagues. The study employed an artificial intelligence (AI) system to identify an existing anti-cholesterol drug that has the ability to promote disposal of mitochondria, energy-making components of the cell which are damaged in the disease.