Short Answer 
Charlie should consult a health professional to discuss his abdominal obesity and create a personalized health plan. He should also evaluate his waist-to-hip ratio to assess health risks, and implement lifestyle changes such as a balanced diet and regular exercise to manage his health proactively.
Step 1: Consult a Health Professional
Charlie should seek advice from a health professional to discuss his current health status and understand the implications of his waist circumference of 47 inches, which indicates abdominal obesity. A professional can provide tailored advice and recommend tests to assess his overall health more accurately. This step is crucial for developing a personalized health plan that addresses his specific needs.
Step 2: Evaluate Waist-to-Hip Ratio
Next, Charlie should calculate his waist-to-hip ratio to better assess his risk for chronic diseases. This ratio involves measuring his waist circumference and hip circumference to determine how much fat is concentrated in the abdominal area. A ratio above 0.90 for males suggests excessive abdominal fat, which is linked to higher health risks. Understanding this ratio will help in identifying the necessity for lifestyle changes.
Step 3: Implement Lifestyle Changes
Finally, Charlie should consider making lifestyle changes to improve his health. This includes adopting a balanced diet, engaging in regular exercise, and potentially exploring other interventions. By focusing on reducing his waist size and BMI through these changes, he can effectively lower his risk of chronic conditions such as cardiovascular disease. Continuous monitoring of his waist-to-hip ratio and body composition will also aid in managing his health proactively.