Best exercise time differs for men and women, says US study

It found women burned more body fat during morning exercise, whereas evenings counted more for men.

The study of 30 men and 26 women - all active and healthy, and between 25 and 55 years old - lasted 12 weeks and monitored the effects of a varied fitness programme, which included stretching, sprint, resistance and endurance training.

The researchers tested everyone's blood pressure and body fat over the course of the study, as well as their flexibility, strength and aerobic power at the start and end.

All those who took part in the study improved their overall health and performance over the 12-week trial, no matter when they exercised.

However, he says women trying to improve muscle strength in their upper body as well as their overall mood and food intake, should take evening exercise,

The men in the trial were less sensitive to the time of day they exercised, improving their strength in the mornings and evenings.

They say women may burn more body fat in the morning because they are more likely to have excess belly fat. The body's internal rhythms may also be a factor.

The study, published in Frontiers in Physiology, tracked people with a healthy weight, but the researchers say the programme could also work on people who are overweight or obese.

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