Home Health Behind the Spike in Colorectal Cancer Among Young Americans Health Behind the Spike in Colorectal Cancer Among Young Americans By - May 15, 2024 21 0 FacebookTwitterPinterestWhatsApp Colorectal cancer cases increased a whopping 333% among 15- to 19-year-olds and 185% among 20- to 24-year-olds from 1999 to 2020.