[Home Andrew Lenhardt, MD Personalized Medicine The best medicine is one based on an individual’s unique characteristics and priorities. Functional medicine addresses the underlying causes of disease. Using a systems-oriented approach, Andrew Lenhardt, MD collaborates with his patients so that they can achieve the highest expression of health. To optimize his patients’ daily quality of life and to prevent illness, Dr. Lenhardt considers each person’s lifestyle, nutritional status, genetic variation, hormones levels, psychosocial dynamics, occupational exposures, and a myriad of other factors.]