What is the best time for people with obesity to train? Study answers

Several studies have already shown that the time we train can directly influence health benefits. Now, a new study, published on the 10th, showed that there is an ideal period for people with obesity to exercise and improve their cardiovascular health.

According to researchers at the University of Sydney, Australia, practice physical activity at night is associated with Greater health benefits among people living with obesity . The study, published in the scientific journal Diabetes Carefollowed the journey of 30 thousand people over almost 8 years.

Researchers used data from wearable devices such as smartwatches, to categorize participants' physical activity into morning, afternoon or evening. The study showed that who trains between 6pm and midnight has a lower risk of premature death and death from cardiovascular disease .

“Due to a range of complex social factors, around two in three Australians are overweight or obese, putting them at a much higher risk of serious cardiovascular diseases, such as heart attacks and strokes, and premature death,” it says. Angelo Sabag, lecturer in Exercise Physiology at the University of Sydney.

“Exercise is by no means the only solution to the obesity crisis, but research suggests that people who can fit their activity into certain times of the day can better offset some of these health risks,” he adds.

How was the study carried out?

The researchers used data from UK Biobanka UK database, and included 29,836 adults over 40 years old living with obesity, of which 2,995 were also diagnosed with type 2 diabetes.

Participants were categorized into groups that performed physical activity in the morning, afternoon, and evening based on when they performed the most aerobic exercise, as measured by a wrist accelerometer worn continuously for 24 hours daily for 7 days at the start of the study.

The team then linked health data from the National Health Service and National Registers of Scotland to track participants' health trajectories over 7.9 years. During this period, 1,425 deaths, 3,980 cardiovascular events and 2,162 events of microvascular dysfunction were recorded.

For this study, researchers focused on monitoring continuous moderate- to vigorous-intensity aerobic activity in bouts of 3 minutes or longer. That's because previous research has shown a strong connection between this type of activity and glucose control and reduced risk of cardiovascular disease compared to shorter non-aerobic sessions.

“We don't discriminate in the type of activity we track, it can be anything from brisk walking to climbing stairs, but it can also include structured exercise such as running, occupational work or even vigorous house cleaning,” said Matthew Ahmadi, a researcher at postdoctoral fellow at National Heart Foundation at the Charles Perkins Centerfrom the University of Sydney, and joint first author of the study.

The study's findings suggest that people living with obesity or diabetes may be able to compensate for the rise in blood sugar at night by engaging in physical activity during this time.

Source: CNN Brasil

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