Centers for Disease Control and Prevention
make the ability, knowledge, and tools that people and communities need to
protect their health - through health awareness, prevention of disease, injury
and disability, and preparedness for new threats. This is also to prosper its
mission by collaborating with partners throughout the nation and the world to
monitor health, detect and investigate health problems.
OK so if the person was unsuccessful even after changing his or her life style I believe the best option for that person would be to seek professional help from a doctor/health adviser.