PERFORM, a system used to monitor patients with Parkinson's disease is an easy way treat patients from home.

PERFORM is based on Body Area Network (BAN) of sensors which are worn by the person being studied. The data is passed via the smartphone to a hospital where a compiled daily report is reviewed by clinicians.
Physicians give the data a keener look as any unusual changes in a person’s symptoms are automatically flagged.
The device has been tested in 32 patients with Parkinson’s disease and the researchers report that people are pretty comfortable with the sensor network and the data may help monitor them over extended periods.
Source-Medindia