Health experts agree that physical inactivity does not only lead to weight gain or feelings of lethargy; its effects extend to profound changes affecting muscles, bones, immunity, and mental health, while increasing the risk of chronic, potentially life-threatening diseases.
اضافة اعلان
When body movement decreases, joints gradually lose flexibility, leading to stiffness and difficulty in movement. Regular physical activity helps improve range of motion, reduce pain, lower the risk of injuries, and make daily tasks easier and less tiring, according to Al Arabiya Net.
Weight Gain and Energy Imbalance
Lack of exercise often results in weight gain, especially when calorie intake exceeds what the body burns. While regular exercise—at least 150 minutes per week—is a key factor in weight management, other elements such as metabolism, overall health status, and certain medications also play an important role.
Muscle Weakness and Loss of Muscle Mass
Physical inactivity accelerates muscle weakness and atrophy, a common issue among people with sedentary office jobs. With aging, a person naturally loses 3–5% of muscle mass every decade after the age of 30, making strength training a health necessity rather than an optional activity.
Decreased Bone Density
Exercise—particularly weight-bearing activities such as walking and climbing stairs—plays a crucial role in maintaining bone strength. Conversely, inactivity contributes to osteoporosis, increasing the risk of fractures and serious injuries, especially among older adults.
Slower Recovery and Weakened Immunity
Studies indicate that people who exercise regularly recover more quickly from illnesses such as influenza and respiratory infections. Physical activity also supports the immune system and reduces the frequency of illness.
Increased Stress and Negative Mental Health Effects
The effects of inactivity are not limited to the body; they extend to mental health as well. A lack of exercise is associated with higher stress levels and increased symptoms of anxiety and depression. Exercise helps release “feel-good” hormones and reduces cortisol, the hormone linked to psychological stress.
Low Energy Levels and Sleep Disturbances
Exercise strengthens the heart and lungs, improving oxygen delivery efficiency and boosting daily energy levels. It also enhances sleep quality and promotes deeper sleep—provided it is not performed very late at night.
Higher Risk of Falls and Chronic Diseases
Inactivity weakens balance, increasing the risk of falls and injuries, particularly among older adults. A sedentary lifestyle is also linked to a higher risk of chronic diseases such as type 2 diabetes, heart disease, high blood pressure, and stroke, in addition to an increased risk of certain types of cancer.
How to Start
Experts recommend starting gradually—for example, with daily moderate-paced walking—and consulting a physician or physical therapist, especially for individuals with chronic conditions or previous injuries.
In conclusion, experts emphasize that exercise is not a luxury but a necessity for maintaining physical and mental health, delaying the effects of aging, and preventing diseases that may begin silently and end in serious complications.
