Some nutrition and diet studies may overstate results

By Shereen Jegtvig NEW YORK (Reuters Health) - Doctors, policymakers and everyday people may make decisions or give advice based on the results of published nutrition studies. Researchers from the University of Alabama at Birmingham looked at papers published about nutrition and obesity in leading medical and public health journals. His team's findings were published in the American Journal of Preventive Medicine. Results from so-called observational studies - which can't prove cause-and-effect - are often used to make potentially inappropriate recommendations without better data, the researchers said.



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