A 70-year-old woman has a CFS of 3 and attends the GP for a routine health check. She has a BMI of 26, BP 128/78, total cholesterol 5.2 mmol/L, and fasting glucose 5.8 mmol/L. She exercises regularly and is independent. Her QRISK3 score is 8%. She asks whether she needs any preventive treatment. According to NICE guidance, what is the MOST appropriate advice?