- The Digital Health Hope: Transforming Outcomes in Health RealClear Health by Dr. Kevin Campbell—There are more than 50 petabytes of data in the health care realm today. Analysis and the creative use of big data may likely hold the answers to solving many public health problems and curing chronic disease. Today, new technologies are rapidly being developed for the collection of biometric data directly from patients. Digital health has become the new frontier in medicine and billions of dollars are being invested every year by both government agencies as well as the private sector.