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Flu shotThis October 22, 2013 Toronto Star article, in Canada’s largest newspaper, Flu shot lessens chance of heart attack, stroke, falsely implies that the flu shot lowers the risk of a heart attack, when it’s only a correlation from selected samples.

According to a study published Tuesday in the Journal of the American Medical Association, the chance of someone in their mid-60s suffering a major cardiac event such as a heart attack, stroke, heart failure or cardiac-related death are cut by 36 per cent if they have had a flu shot within the previous year.

And if they have already suffered a heart attack, their chances of suffering another major cardiac event within a year are 55 per cent lower if they get the vaccine.

This commenter said it best:

name user
12 Hours Ago
So, despite the title, the study that is cited here doesn’t prove that taking the flu shot will lessen the chance of heart attacks. Apparently The Star and the study’s author would like to believe it is so, but they are still in the process of trying to come up with a study which we will likely never hear about, because it will almost certainly show it is NOT true. Correlation does not imply causation – it is just wishful thinking (and a timely propaganda piece to try and fool people into getting this shot; we always see them this time of year).

For more on the flu shot, see my article, If flu shots are so good, why do most Toronto health professionals not have them?

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