Are pharmaceutical companies starting to see a decline in sales? Recently, the process of autophagy was praised, and its discoverer even received a Nobel Prize. Starting today, I'm beginning fasting because if they want to convince me that it kills, I'm now certain that this is another lie.
It's an observational study. It could as well be that persons with conditions that are tied to higher cardiovascular mortality more often do intermittent fasting.
And according to the Heart Association press release (linked in the article) this study didn't even try to avoid confounders: "Factors that may also play a role in health, outside of daily duration of eating and cause of death, were not included in the analysis."