Steve Lopez: Doctor who walked LA's perimeter has a prescription for everyone: Escape your own neighborhood LOS ANGELES -- Dr. Roy Meals, a longtime hand surgeon, likes to move his feet. He has climbed mountains and he has run three marathons. But when he shared his latest scheme with his wife a couple of years ago, she had a quick take. "You're nuts," she said. Maybe so. He was closing in on 80, and his plan was to grab his trekking poles and take a solo hike along the 342-mile perimeter of Los ...

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