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The safety of intermittent fasting, a common strategy for losing weight by restricting food intake to specific times, was reviewed at the 2024 American Heart Association (AHA) Lifestyle Science Sessions Conference in Chicago, USA. was called into question by surprising findings from a study published in .

A study published March 18 found that restricting eating time to just eight hours a day increased the risk of death from heart disease by 91%.

The AHA released only a summary, leaving scientists guessing about the details of the study protocol.

The study was reviewed by other experts before publication, the association said.

Lifestyle interventions aimed at weight loss are gaining attention as new generations of drugs help reduce weight.

Some doctors questioned the study results, saying the results may have been skewed by differences such as underlying heart health between fasted patients and a comparison group that ate for 12 to 16 hours a day. He said that there is a sex.

“Time-restricted eating is a popular means of reducing caloric intake,” Dr. Keith Frayn, an emeritus professor at the University of Oxford and an expert on human metabolism, said in a statement to the UK Science Media Center. There is,” he said.

“This study is very important in demonstrating the need for long-term research into the effects of this practice.

“However, this summary leaves many questions unanswered.”

Researchers led by Victor Zhong, a professor in the Department of Epidemiology and Biostatistics at Shanghai Jiao Tong University School of Medicine in China, analyzed data from approximately 20,000 adults who participated in the U.S. Centers for Disease Control and Prevention’s National Health and Nutrition Examination. . investigation.

The study looked at survey responses as well as mortality data from 2003 to 2019.

Because the study relied in part on a form that asked patients to recall what they ate over a two-day period, the scientists said there was room for potential inaccuracy.

Approximately half of the patients were male, with an average age of 48 years.

It was not clear how long the patients had been on intermittent fasting.

Professor Zhong did not immediately respond to an email seeking comment by the time of publication. – Written by Marthe Fourcade/Bloomberg News/Tribune News Service

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