Facts
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People who mainly exercise in the afternoon and evening are therefore likely to have a lower risk of type 2 diabetes
People who exercise most in the afternoon and evening are less insulin resistant than people who exercise mainly in the morning or throughout the day. This means they have a lower risk of type 2 diabetes. Researchers from the Leiden University Medical Center (LUMC) published these results in the journal Diabetologia.
For four days, about 800 participants in the Dutch Epidemiology of Obesity (NEO) study wore an ActiHeart device on their chest. This device closely monitored their heartbeat and movements. “We were eventually able to distinguish four types of movers,” says sports scientist Jeroen van der Velde. “People who moved mainly in the morning, afternoon or evening, and people who did not have a clear peak in movement and therefore moved a little throughout the day.” The researchers looked specifically at movement that falls under moderate to vigorous exercise. These are most sports, but also cycling and brisk walking.
More insulin sensitive, lower risk
This study now shows that the body of participants who mainly exercised in the afternoon and evening is more sensitive to insulin than that of people who exercised throughout the day or mainly in the morning. This turned out not to be due to the total amount of movement. “If your body is less sensitive to the hormone insulin, your blood sugar level will become too high and type 2 diabetes can develop over time,” explains epidemiologist Renée de Mutsert. “People who mainly exercise in the afternoon and evening are therefore likely to have a lower risk of type 2 diabetes.”
the right time
As a next step, De Mutsert and Van der Velde want to investigate whether people who exercise mainly in the afternoon or evening actually get type 2 diabetes less often. They do this, for example, within the NEO study, in which extensive measurements were taken on approximately 6,500 overweight and obese people from Leiden and the surrounding area to determine the causes of health problems in this group, such as diabetes. But they also work together with an international group of researchers within a large consortium called ‘The right timing to prevent type 2 diabetes’, or TIMED. This collaboration is investigating whether eating and exercising at specific times of the day can contribute to the prevention and treatment of type 2 diabetes.
Lifestyle advice per hour
The ultimate goal is to conduct a pragmatic intervention study in which people with an increased risk of diabetes receive advice about the best times to sleep, eat and exercise. “We hope that this will lead to advice that everyone can easily fit into his or her life and that will reduce the risk of diabetes,” says De Mutsert. “But we first have to find out what the best times are to eat and exercise, and whether that is the same for everyone, and then we work towards an intervention.”
This research was partly financed with a Diabetes II breakthrough project subsidy from the Diabetes Fund and ZonMw.
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https://www.lumc.nl/over-het-lumc/nieuws/2022/November/Piek-in-lichaamsbeweging-tijdens-middag-en-avond-gelinkt-aan-lager-risico-op-diabetes-type-2/ - Original title:
Peak exercise in afternoon and evening linked to lower risk of type 2 diabetes - Target audience:
Healthcare Professionals, Students - Datum:
2022-11-02