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Nutrition Diva

Does Time-Restricted Eating increase heart risk?

Nutrition Diva

Macmillan Holdings, LLC

Nutrition, Arts, Education, Health & Fitness, Food

4.41.8K Ratings

🗓️ 8 October 2025

⏱️ 12 minutes

🧾️ Download transcript

Summary

835. A new study suggests that a short eating window more than doubles your risk of dying from cardiovascular disease. But is that really what the data shows?

References:

Association of eating duration less than 8 h with all-cause, cardiovascular, and cancer mortality - ScienceDirect

8-hour time-restricted eating linked to a 91% higher risk of cardiovascular death | American Heart Association

Expert reaction to conference abstract about time-restricted eating and cardiovascular death | Science Media Centre

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Transcript

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0:00.0

A new study claims that eating in an eight-hour window each day could more than double your risk of dying from heart disease.

0:08.8

That's a headline designed to stop you in your tracks, especially if you've been experimenting with intermittent fasting.

0:15.8

But what does this study really show, and should it change the way you eat?

0:27.0

Music study really show, and should it change the way you eat? Hello, I'm Monica Reinagle, and you're listening to the Nutrition Diva podcast,

0:31.6

a show where we take a closer look at nutrition news, research, and trends, so that you can make

0:36.6

more informed decisions about what

0:38.6

and when you eat. A recent study on intermittent fasting has been getting a lot of attention.

0:46.4

The fasting technique known as TRE, time restricted eating, which basically means restricting

0:53.7

all your food intake to a relatively short

0:56.8

window of time each day, remains very popular with both researchers and the general public as a tool

1:04.0

for weight loss and weight maintenance, but also as a strategy for managing blood sugar,

1:10.4

slowing the aging process, and much more.

1:14.1

And this new analysis has thrown some cold water on all of that enthusiasm.

1:19.3

It found that people who observed an eight-hour eating window each day had a significantly

1:24.6

higher risk of dying from cardiovascular disease. I've already heard from

1:30.1

several listeners asking for my thoughts on this new study. So let's take a closer look at what this

1:36.6

study actually found and what it might mean for you if you are someone who has adopted or is

1:43.2

thinking about trying this approach.

1:46.7

So the researchers looked at about 20,000 American adults and divided them into groups

1:52.1

according to how long their reported eating window was. That is, the time between their

1:58.2

first and their last meals of the day. And they found that those who

2:02.8

reported a very short eating window, less than eight hours between their first and their last

...

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