Apple aims to push more patient data to doctors. But who can gauge its impact on health?

Soon, Apple announced recently, it will enable doctors to monitor health data from their patients' phones and watches between visits, part of the push into health care that Tim Cook, Apple's CEO, has declared will constitute the company's greatest contribution to mankind.

Apple aims to push more patient data to doctors. But who can gauge its impact on health?
Soon, Apple announced recently, it will enable doctors to monitor health data from their patients' phones and watches between visits, part of the push into health care that Tim Cook, Apple's CEO, has declared will constitute the company's greatest contribution to mankind.