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Will grapes keep the mosquitoes away? Health tips from Dr. Oz

04:23

Should you throw out your sunblock at the end of the summer? Do you need to wear it on cloudy days? Those are just a couple of the questions about summer health that Dr. Mehmet Oz of “The Dr. Oz Show” throws at TODAY’s Willie Geist and Savannah Guthrie as the Fourth of July weekend approaches.