Study Reveals 7-8 a.m. Exercise Significantly Lowers Cardiometabolic Risks
Exercising 7-8 a.m. reduces heart disease, diabetes, obesity, and cholesterol risk.
A new study has highlighted that while regular physical activity benefits overall health, exercising in the early morning may offer the greatest advantage for heart and metabolic health. Researchers found that individuals who worked out between 7:00 a.m. and 8:00 a.m. had significantly lower risks of obesity, heart disease, diabetes, high cholesterol, and high blood pressure compared to those who exercised later in the day.
Presented at the American College of Cardiology's Annual Scientific Session, the study emphasised that the timing of exercise can be just as important as the amount. Lead author Prem Patel, a medical student at the University of Massachusetts Chan Medical School, noted that while “any exercise is better than no exercise,” morning workouts appear to provide an added cardiometabolic benefit.
The study analysed data from over 14,000 participants who wore fitness tracking devices for a year. Even when participants performed the same total amount of physical activity, those exercising in the morning experienced:
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- 35% lower risk of obesity
- 31% lower risk of coronary artery disease
- 30% lower risk of type 2 diabetes
- 21% lower risk of high cholesterol
- 18% lower risk of high blood pressure
Researchers suggest several factors that make morning workouts particularly effective. Aligning exercise with the body’s circadian rhythm may enhance insulin sensitivity and optimize cortisol levels for activity. Additionally, exercising before breakfast encourages the body to burn stored fat rather than recent carbohydrates. Morning exercisers also tend to maintain greater consistency, completing their routines before the day’s distractions interfere.
Experts caution, however, that while morning exercise is ideal, consistency remains the most critical factor. If scheduling a workout in the early hours is not feasible, exercising in the afternoon or evening still offers significant health benefits. Adults are generally advised to aim for at least 150 minutes of moderate-intensity activity per week.
In conclusion, for those seeking to maximise heart and metabolic health, setting a daily exercise routine between 7:00 a.m. and 8:00 a.m. could be the optimal strategy, combining biological advantages with better long-term adherence.
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