(Yahoo! News) If you’re tempted to skip your flu shot, consider this: Getting vaccinated cuts risk for a heart attack or stroke by up to 50 percent, according to two studies presented at the Canadian Cardiovascular Congress.

Scientists from TIMU Study Group and Network for Innovation in Clinical Research analyzed published clinical trials involving a total of 3,227 patients, half of whom had been diagnosed with heart disease. Participants, whose average age was 60, were randomly assigned to either receive flu vaccine or a placebo shot, then their health was tracked for 12 months.

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