Intermittent fasting increases the risk of death from cardiovascular disease by 91%, according to study

He fast Intermittent involves restricting daily eating to a window of 4 to 12 hours and not eating anything else the rest of the day. Most of those who follow this regimen eat in 8 hours and fast for 16.

Now, a study carried out with more than 20,000 adults has revealed that People who limit their eating to less than 8 hours are 91% more likely to die from cardiovascular disease compared to those who eat between 12 and 16 hours a day.

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The results of this preliminary research have been presented this Monday at the 2024 Scientific Sessions on Lifestyle and Cardiometabolism of Epidemiology and Prevention of the American Heart Association, an annual meeting that is being held this week in Chicago and in which they will be present the latest studies on health, wellness and lifestyle.

“Restricting daily eating time to a short period, such as 8 hours a day, has become popular in recent years as a way to lose weight and improve heart health” but the truth is thate “the long-term effects are not known”says Victor Wenze Zhong, lead author of the study and head of epidemiology at Shanghai Jiao Tong University School of Medicine, China.

To find out, the authors conducted a study of 20,000 adults, reviewing information on the dietary patterns of participants in the annual National Health and Nutrition Examination Surveys (NHANES). from 2003 to 2018 and compared them with data on people who died in the United States between 2003 and 2019.

The analysis found that those who ate less than 8 hours a day had a 91% higher risk of death from cardiovascular disease and also observed an increased risk of cardiovascular death in people who had heart disease or cancer.

Among people with cardiovascular disease, a duration of eating less than 10 hours a day was associated with a 66% increased risk of death from heart disease or stroke.

On the contrary, time restriction did not reduce the overall risk of death from any causewhile eating more than 16 hours a day was associated with a lower risk of mortality in people with cancer.

“We were surprised to find that those who followed an 8-hour eating schedule were more likely to die from cardiovascular diseases,” Zhong acknowledges.

“Although this type of diet has been popular due to its potential short-term benefits, our research clearly shows that, compared to a typical eating schedule of 12-16 hours a day, Shorter meal duration was not associated with living longer”, he emphasizes.

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In view of these results, for Zhong, “it is essential that patients, especially those suffering from heart disease or cancer, are aware of the relationship between an 8-hour eating interval and a higher risk of cardiovascular death” and that the recommendations Dietary measures take into account the health of each individual.

Study details

Approximately 20,000 adults with an average age of 49 years (half men and half women) who were followed up for between 8 and 17 years.

73.3% of participants were white, 11% Hispanic, 8% black, and 6.9% of another race, including mixed race.

“Overall, this study suggests that time restriction may have short-term benefits but long-term adverse effects,” concludes Christopher D. Gardner, professor of Medicine at Stanford University (California).

However, the authors recognize limitations to the study that in the future should be completed with additional information on the nutritional quality of the diets of the different subsets of participants and more information to compare the demographic data and baseline characteristics of the groups classified in the different food restriction intervals.

Additionally, the authors caution that by including self-reported dietary information, study participants may have made errors or omissions caused by memory.

Source: Elcomercio

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