Lifestyle data as a basis for preventative medicine

The day is coming when everybody will have a complete digital medical history from birth. And people themselves will no longer participate in working with this information. What data can electronic devices and services gather about a person’s health, their lifestyle and environment? Do they have clinical value, and can they be used as a basis for research? How can the medical profession work with such data? At the same time, the tasks may be not only medical, but also psychological. For example, can the data be used to correct a patient’s behaviour and reduce their risk of illness?