Final answer:
The group not included in the statin benefit group according to the 2013 ACC/AHA guidelines is individuals without ASCVD, diabetes mellitus, aged 40-75, with a 10-year risk of 5.5%. Treatment includes lifestyle changes and, if necessary, statin medication to lower LDL cholesterol and reduce the risk of heart disease.
Step-by-step explanation:
The option that is NOT included in the statin benefit group according to the 2013 ACC/AHA Guidelines on the treatment of Blood Cholesterol to Reduce Atherosclerotic Cardiovascular Risk in Adults is D. Individuals without ASCVD, diabetes mellitus between the ages of 40 and 75 and who have a 10-year risk of 5.5%. This is because the guidelines suggest statin therapy for individuals without ASCVD who are 40 to 75 years old with diabetes and LDL cholesterol between 70 and 189 mg/dL or for those without cardiovascular disease or diabetes who have LDL levels between 70 and 189 mg/dL and a 10-year risk of 7.5% or higher for atherosclerotic cardiovascular disease.
Statins are prescribed with the intention of reducing the risk for heart disease by lowering blood levels of LDL, often referred to as "bad cholesterol." Maintaining a healthy lifestyle including dietary modifications and physical activity is also critical in managing cholesterol levels and reducing cardiovascular risk.