UI study shows exercise adds to flu shot's benefits

If you get a shot every winter to help you fight the flu, University of Illinois researchers may have a way to make your odds of scoring a knockout even better.

A UI study suggests that older adults who exercise get an added boost from a flu vaccination in the form of elevated levels of flu antibodies. Those antibodies are key to the body's defenses against the flu. A flu shot is designed to spur their production. Still, the result often fails to reach what is considered a protective level in seniors.

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