Take Steps, the Crohn's & Colitis Foundation's national walk program, will hold the annual Houston event at 7 a.m. Sat., May 20, starting at the Houston Zoo in Hermann Park. Funds raised will help patients coping with Crohn's disease and ulcerative colitis and support research and education. Walkers are encouraged to donate $25 and commit to raising $250 or more. Those who raise $100 will receive a pennant flag and walk T-shirt, entrance to the zoo, and a wristband for refreshments. For registration and more info, see www.online.ccfa.org.