Lowell General Hospital has joined the “Know Your Stats” campaign to promote education about prostate cancer risk and is inviting men in the Merrimack Valley to attend a fun and informative event. Dr. Matthew Cohen of Merrimack Urology Associates will speak and answer questions from 6 to 8 p.m. next Sunday at Cobblestones Restaurant, 91 Dutton St. Registration for the free event is encouraged. The “Know Your Stats” campaign is a joint venture of the American Urological Association Foundation and the National Football League, and is led by Pro Football Hall of Famer and prostate cancer survivor Mike Haynes. More information, including a registration form, can be found at www.lowellgeneral.org.