Courtesy, <a href="" target="_blank">Flickr (Quinnanya)</a>

Flu season is here. If that isn't reason enough to get a flu shot, maybe this will persuade you: A new study in the journal Heart found flu vaccination may help prevent heart attacks.

Researchers concluded flu vaccination is protective against heart attack, and had cut heart attack risk by 45%.

Get the full details of the study in this installment of Ask Dr. Sandy: