How long does it take to jog for 40 minutes every day to have an effect

It usually takes 4-8 weeks to observe significant weight loss or physical improvement effects by jogging for 40 minutes every day. The actual effective time is influenced by factors such as exercise intensity, basal metabolic rate, dietary coordination, individual differences, and exercise frequency. Slow jogging, as an aerobic exercise, may initially improve cardiovascular function and muscle endurance, but weight changes may lag behind. If combined with a low calorie diet, fat consumption will appear faster, and some people may feel a reduction in waist circumference 2-3 weeks later. insufficient exercise intensity or uncontrolled diet may prolong the effective period, while intermittent variable speed running can accelerate metabolic efficiency.

There are a small number of people with health problems such as abnormal hormone levels and hypothyroidism, and even if they persist in exercise, it is difficult to achieve short-term results. This type of situation requires first investigating potential diseases and adjusting the plan in conjunction with medical intervention. The increase in muscle mass after exercise may temporarily mask the weight loss caused by fat loss. It is recommended to evaluate the effect through body fat percentage rather than simply focusing on weight numbers.

It is recommended to adopt diversified exercise modes to avoid plateau periods, such as weekly strength training or swimming. Warm up and stretch before and after exercise, and choose breathable running shoes to protect your joints. Record changes in body circumference and physical fitness to avoid damage caused by excessive pursuit of speed. Middle aged, elderly, or overweight individuals should transition from brisk walking to slow jogging, and if necessary, consult with sports medicine experts to develop personalized plans.