42%
Percentage of American adults who will be obese in 40 years due to the influence of fat friends, according to Harvard University research that suggests obesity can spread from person to person like a virus [via Harvard Gazette]
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Special Reports
The Disease that Won’t Die: Tuberculosis in Peru
Tuberculosis has been brought under control in much of the world, thanks to prevention practices and powerful antibiotics. But in poor nations like Peru, the disease still kills hundreds of babies and children — and new drug-resistant cases threaten an even bigger resurgence.
