Yes, there are studies where they compared heart attack rates for people who'd taken a course of antibiotics with those who hadn't and there was quite a large e

Yes, there are studies where they compared heart attack rates for people who'd taken a course of antibiotics with those who hadn't and there was quite a large effect in some of them. eg. https://www.science.org/content/article/antibiotics-cut-heart-attack-risk https://www.science.org/content/article/antibiotics-cut-hear...