Provide a detailed explanation of the importance of [health_topic] in maintaining a healthy lifestyle. Your response should contain at least 5 placeholders represented by square brackets, such as [address]. At the end of your response, please explicitly add a postscript starting with P.S. The response must have 3 sections. Mark the beginning of each section with Section 1, Section 2, and Section 3. In your response, the word [health_topic] should appear at least 3 times.
user