News from the week of April 1: 1. Gum disease-related bacteria tied to colorectal cancer. https://bit.ly/3VI3Kd2 2. Skin test detects evidence of Parkinson’s and related disorders. https://bit.ly/3vuGaG8 3. Drug shows promise for slowing progression of rare, painful genetic disease. https://bit.ly/43O80tp 4. Irregular sleep and late bedtimes associated with worse grades for high school students. https://bit.ly/4aHg8hP