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CBS' in-house physician Jon LaPook launched a lively wheel of reporting from his New York studio, stopping in England and China, on his way to a wrap-up with anchor Katie Couric. His topic was how to prevent cancer. Fully two-thirds of all tumors can be avoided by changing one's lifestyle: do not smoke; exercise more; lose weight; eat fewer fats. The doctor's public policy recommendations urged municipalities to build walking and bicycle paths; schools to serve less junk food and to ban vending machines; and inner city groceries to improve stocks of fresh fruits and vegetables. What about England and China? Richard Roth told us that Londoners are in love with "cheap and cheerful" American fast food chains while Celia Hatton worried that the urban middle class is "dumping the traditional low fat diet and ditching bicycle paths for the expressway."
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