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Does the Risk of Early Death Go Up With Skipping Meals? Maybe

Article courtesy of Dr. Joel Kahn, MD, who is a Clinical Professor of Medicine at Wayne State University School of Medicine, one of the world's top cardiologists, a best-selling author, lecturer, and a leading expert in plant-based nutrition and holistic care.

Few dietary trends are hotter than “intermittent fasting” or skipping meals and eating in restricted time windows on a regular basis. This is more properly called “time-restricted eating” and the extreme is the “one meal a day” (OMAD) diet. While there are stories of weight loss like legendary Elon Musk, there is debate as to the health vs. harm of skipping meals or eating in a narrow time window like the OMAD diet. Therefore, new data on this topic is important to guide our choices. 

OBJECTIVES OF STUDY

The objective was to examine the associations of meal frequency, skipping, and intervals with all-cause and cardiovascular disease (CVD) mortality.

STUDY DESIGN

A total of 24,011 adults (aged ≥40 years) who participated in the National Health and Nutrition Examination Survey 1999-2014 were included in this study. Eating behaviors were assessed using 24-hour recall. Death and underlying causes of death were ascertained by linkage to death records through December 31, 2015. It was a prospective study. 

RESULTS

During the 185,398 person-years of the follow-up period, 4,175 deaths occurred, including 878 cardiovascular deaths. Most participants ate three meals per day.

Compared with participants eating three meals per day, the multivariable-adjusted risk for participants eating one meal per day was 30% higher for all-cause mortality and 83% higher for CVD mortality.

Participants who skipped breakfast had multivariable-adjusted rate CVD mortality that was 40% higher compared with those who did not.

The multivariable-adjusted risk all-cause mortality was 12% higher for skipping lunch and 16% higher for skipping dinner compared with those who did not.

STUDY CONCLUSIONS

In this large, prospective study of US adults aged 40 years or older, eating one meal per day was associated with an increased risk of all-cause and CVD mortality. Skipping breakfast was associated with an increased risk of CVD mortality, whereas skipping lunch or dinner was associated with an increased risk of all-cause mortality.

Of note, meal-skipping was more prevalent among those who smoked more, drank more alcohol, were more food insecure, ate less nutritious food, had more snacks, and took in less energy overall.

This study isn’t comprehensive enough to determine if meal skipping actually causes earlier death, only that there’s an association worthy of further research. It’s possible that other factors are involved, affecting both eating habits and mortality risk.

That said, the research team did adjust their findings to account for variations in numerous dietary and lifestyle factors, including smoking, alcohol use, physical activity levels, energy intake, diet quality, and food insecurity – and the link was still there.

Prior studies in Spain also showed an increased risk of poor cardiac outcomes in those that routinely skipped breakfast. It would appear that planning 3 meals a day in 10-12 hours of an eating window spaced out 4-5 hours apart is the optimal timing for health. 

About the author: At his core, Dr. Joel Kahn believes that plant-based nutrition is the most powerful source of preventative medicine on the planet. Having practiced traditional cardiology since 1983, it was only after his own commitment to a plant-based vegan diet that he truly began to delve into the realm of non-traditional diagnostic tools, prevention tactics, and nutrition-based recovery protocols. 

As with anything you read on the internet, this article should not be construed as medical advice; please talk to your doctor or primary care provider before changing your wellness routine. This article is not intended to provide a medical diagnosis, recommendation, treatment, or endorsement.

Content may be edited for style and length.

References/Sources/Materials provided by:

https://www.linkedin.com/in/joel-kahn-md-757a59225/

https://www.drjoelkahn.com/

https://www.kahnlongevitycenter.com/

https://www.kahnlongevitycenter.com/blog/does-the-risk-of-early-death-go-up-with-skipping-meals-maybe

https://www.jandonline.org/article/S2212-2672(22)00874-7/fulltext

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