Continuing coverage: Many colonoscopies performed for adults over age 70 may be unlikely to benefit them, according to a new study by UTMB researchers. “For some physicians, more than 30 percent of the colonoscopies they performed were potentially inappropriate according to screening guidelines,” said Kristin Sheffield, the study’s lead author. The news also appears in Medical News Today, MedPage Today, the Omaha World-Herald and Philadelphia Inquirer.