of ways to ease your allergies. good morning, dr. phil lisp. good to have you here. >> great to be here. >> i hear every season as i hear every season, this is the worst allergy season ever. i hear it every year. >> if you feel like it's the worst season, you're onto something. this is arguingly the worst in ten years. no wonder you're feeling badly, exactly. medications work, but it's really about preventing triggers to get the most out of your allergy medicines. >> and you came up with a really great list from "prevention" magazine with some of those triggers. what are the triggers? >> most of us know the really obvious triggers like you don't go jogging outside when the pollen count is through the roof, but there are more subtle triggers that we might not think about that can make a big difference. >> one of the things you say people are doing wrong when it comes to treating your allergies is they're waiting too long to take medications. when should you start taking medications and...