Research Highlights: A study of over 20,000 adults found that those who followed an 8-hour time-restricted eating schedule, a type of intermittent fasting, had a 91% higher risk of death from cardiovascular disease. People with heart disease or cancer ...
So could be that people with higher risk already had higher risk before changing their eating. Sounds likely since IF is frequently used as a diet. Limitations they mentioned also included self-reported data, which is notoriously bad when it comes to diet.
Honestly, it sounds like it’s not a very useful study. So don’t get too depressed on account of this.
I like this explanation.