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Are there any fallacies in the following argument? Be concise

Introduction:
Physical exercise is an essential aspect of maintaining a healthy lifestyle. Regular exercise strengthens the bones and muscles, helping the body to accomplish day-to-day tasks. In addition, physical exercise has numerous benefits for mental health, including reducing stress and preventing depression. In this essay, I will argue that regular exercise is crucial for overall health and well-being.
Body:
Firstly, regular exercise can reduce the risk of chronic diseases such as heart disease, stroke, and diabetes. Exercise helps to maintain healthy blood pressure, cholesterol levels, and blood sugar levels. By reducing the risk of these diseases, regular exercise can increase life expectancy and improve quality of life.
Secondly, regular exercise can improve mental health. Exercise releases endorphins, which are natural mood boosters. This can help to reduce stress and anxiety, and prevent depression. In addition, regular exercise can improve cognitive function, including memory and attention span.
Thirdly, regular exercise can improve physical appearance. Exercise can help to maintain a healthy weight, tone muscles, and improve posture. This can lead to increased self-esteem and confidence.
Conclusion:
In conclusion, regular exercise is essential for overall health and well-being. It can reduce the risk of chronic diseases, improve mental health, and enhance physical appearance. By incorporating regular exercise into daily life, individuals can improve their quality of life and increase life expectancy.  Write exactly 7 paragraphs each separated with two new lines answering this question. The first paragraph must start with "thieves".
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