New Research Finds That the Time of Day You Exercise Could Impact Your Heart Health – SciTechDaily

Exercise has been shown to be one of the most effective ways to reduce the risk of heart disease and stroke. Regular physical activity can improve cardiovascular health by lowering blood pressure, reducing cholesterol levels, and improving blood sugar control. It can also help with weight management and stress reduction, both of which are important factors in reducing the risk of heart disease and stroke. However, does the time of day you exercise affect its effectiveness in improving heart health?

Heart disease and stroke risk are lowest in those who engage in morning physical activity.

A new study published in the European Journal of Preventive Cardiology has found that morning physical activity is associated with the lowest risk of heart disease and stroke. The study, which included over 85,000 individuals, found that this association held true regardless of the total daily activity level.

“It is well established that exercise is good for heart health, and our study now indicates that morning activity seems to be most beneficial,” said study author Ms. Gali Albalak of Leiden University Medical Centre, the Netherlands. “The findings were particularly pronounced in women, and applied to both early birds and night owls.”

The study used data from the UK Biobank to investigate the relationship between physical activity and the risk of heart disease and stroke in 86,657 adults. Participants, who were free of cardiovascular disease at the start of the study and ranged in age from 42 to 78 years old (average age 62 years), wore an activity tracker for a week. The study found that morning physical activity was associated with the lowest risk of heart disease and stroke, regardless of the total daily activity level. Participants were followed for incident cardiovascular disease, defined as a hospital admission or death related to coronary artery disease or stroke.”

During six to eight years of follow-up, 2,911 participants developed coronary artery disease and 796 had a stroke. Comparing peak activity times across a 24-hour period, being most active between 8 am and 11 am was linked with the lowest risks of both heart disease and stroke.

In a second analysis, the investigators divided participants into four groups based on the peak time of physical activity: 1) midday; 2) early morning (~8 am); 3) late morning (~10 am); and 4) evening (~7 pm). The categories were selected according to peak times of activity in the study population, rather than being predetermined before the study began. Associations between peak time of activity and incident cardiovascular disease were analyzed using midday as the reference group.

After adjusting for age and sex, participants …….


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