Intermittent fasting increases risk of cardiovascular death

Preliminary research presented at the American Heart Association meeting in Chicago suggests that time-restricted eating — limiting eating to less than eight hours a day — may be associated with an increased risk of cardiovascular disease mortality compared with eating 12-16 hours per day.

The study analyzed data from over 20,000 U.S. adults, finding those following an eight-hour eating window had a 91% higher risk of dying from cardiovascular disease. Longer eating durations, exceeding 16 hours per day, were associated with lower cancer mortality risk among individuals with cancer. However, time-restricted eating did not reduce the overall risk of death from any cause. 

“Restricting daily eating time to a short period, such as eight hours per day, has gained popularity in recent years as a way to lose weight and improve heart health,” said senior study author Victor Wenze Zhong, Ph.D., a professor and chair of the department of epidemiology and biostatistics at the Shanghai Jiao Tong University School of Medicine in Shanghai, China. “However, the long-term health effects of time-restricted eating, including risk of death from any cause or cardiovascular disease, are unknown.”

Read more: American Heart Association

 

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