​Among approaches that could rein in growing health care expenses, which is not only less expensive, but also more proactive?

A) ​Screening people for disease and death risks
B) ​Treating chronic disease most appropriately
C) ​Detecting disease earlier, facilitating control
D) ​Preventing disease through healthy lifestyles

Preventing disease through healthy lifestyles is not only less expensive than treating diseases, but it is also more proactive in addressing the root cause of many health problems. This approach involves educating individuals on healthy behaviors and promoting healthy environments, which can lead to a reduction in the incidence of chronic diseases like heart disease, cancer, and diabetes. By focusing on prevention rather than treatment, healthcare costs can be significantly reduced in the long term.