Laurie Steelsmith, one of The Advertiser's Prescriptions columnists, will speak at the free Kale's Natural Foods Summer Health Fair. The event, which features food demonstrations and massages, runs from 9 a.m. to 2 p.m. today at the health-food shop in the Hawaii Kai Shopping Center, 377 Keahole St. It's a fundraiser for the Beach Environmental Awareness Campaign Hawaii. Information: 396-6993; www.b-e-a-c-h.org.