Actor Chadwick Boseman, who played the regal King T’Challa in “Black Panther,” died of colon cancer Friday, August 28. Boseman was 43 years old. His family said he had been diagnosed in 2016, and was undergoing chemotherapy and surgery while still working on films. Colorectal cancer is the third deadliest cancer among men and women in the United States. Doctors are seeing colon cancer rates rising in young people. “Screening for colorectal cancer used to begin at age 50, but it has recently been recommended to start at age 45,” says Jan Rakinic, MD, professor of surgery at SIU Medicine. “That