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 ...
They also said it was self reported so the person I describe easily fits into that category. Their binge days could also be during a time restricted window and it would still be disordered eating.