Over 6,000 known single-gene disorders. (This does not include multi-factorial diseases) “Every human disease has a genetic component.”
Family History: Can track an unlimited number of diseases. Any disease that has an inherited or genetic component can be listed on a family health history.
Genetic Tests: ~1,000 clinically relevant genetic tests available today. Most are for single-gene disorders, few adequate genetic tests are available for multi-factorial diseases. Direct-to-consumer (DTC) genetic testing services (# of diseases): 23andMe (26), deCODEme (35), Navigenics (23), Myriad BRCA (2).
ADVANTAGE: Family History