The Medical Advisor

Numerous doctors treating long COVID and COVID vaccine injuries now suggest fasting as a potential therapy for overall symptom improvement.  As of 2026, this idea has moved beyond theory: the first randomized controlled trial ( Bunker et al., Scientific Reports ) found that a weekly ~38-hour fast added to daily time-restricted eating cut Long COVID symptom scores by over 50% across 10 weeks — significantly more than time-restricted eating alone. The trial is small (58 patients) and unblinded, and roughly 9 in 10 participants had a symptom flare-up at some point, so this is promising early evidence, not a proven cure, and extended fasting is not appropriate for everyone. In February 2024, Drs. Paul Marik and Yusuf (JP) Saleeby — as well as Matthew T.J. Halma of the World Council for Health — published another related  key research paper  in the peer-reviewed journal  Endocrine and Metabolic Science . Those of you who are familiar with Dr Paul Marik’s work over the pas...

If you trying to understand and looking for evidence about time-restricted eating, you've come to the right place. Time-restricted eating is just what it sounds like. It's a form of intermittent fasting where you eat all of your meals for the day within a restricted window of time, ranging from two to eight hours. That means you're avoiding food (fasting) for 16 to 22 consecutive hours. Eating within a four- to six-hour window is likely close to metabolic ideal for most. As noted in the paper "A Time to Fast," published in the November 2018 issue of Science : "Adjustment of meal size and frequency have emerged as powerful tools to ameliorate and postpone the onset of disease and delay aging, whereas periods of fasting, with or without energy intake, can have profound health benefits. The underlying physiological processes involve periodic shifts of metabolic fuel sources, promotion of repair mechanisms, and the optimization of energy utilization for cellular ...