A study presented at the American Heart Association's conference in Chicago suggests that intermittent fasting, a popular method for weight loss and inflammation reduction, may pose serious health risks. The study, based on data from approximately 20,000 adults in the U.S. from 2003 to 2018, found that following an eight-hour time-restricted eating schedule was associated with a 91% higher chance of death from cardiovascular disease compared to eating within the usual timeframe of 12-16 hours per day.
Senior study author Victor Wenze Zhong emphasized that while these findings are significant, they do not imply causation. He noted that more research is needed to understand the relationship between intermittent fasting and cardiovascular health fully.
The study also found that:
- Eating less than eight hours per day was linked to a 91% higher risk of cardiovascular death.
- Eating between eight and 10 hours per day was associated with a 66% higher risk of death from heart disease or stroke for those with existing cardiovascular diseases.
- Intermittent fasting did not reduce the overall risk of death from any cause.
Further research is needed to examine the biological mechanisms behind these associations and to determine if the findings are consistent across different populations. Experts suggest a cautious and personalized approach to dietary recommendations, taking into account individual health status and the latest scientific evidence.
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