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Sunday, October 30, 2011

Obesity Limits Effectiveness of Flu Vaccines, Study Finds

Another way being too darned fat makes you sick.
People carrying extra pounds may need extra protection from influenza.

New research from the University of North Carolina at Chapel Hill shows that obesity may make annual flu shots less effective.

The findings, published online Oct. 25, 2011, in in the International Journal of Obesity, provide evidence explaining a phenomenon that was noticed for the first time during the 2009 H1N1 flu outbreak: that obesity is associated with an impaired immune response to the influenza vaccination in humans.

"These results suggest that overweight and obese people would be more likely than healthy weight people to experience flu illness following exposure to the flu virus," said Melinda Beck, Ph.D., professor and associate chair of nutrition at the UNC Gillings School of Global Public Health and senior author of the study.
Another cost the rest of us are expected to underwrite.

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