As a part of the Maxi project, Danish Technological Institute has engineered a prototype applikation that predicts the blod glucose level of diabetics. The user interface was done in PILS - a screendump can be seen here:

Unfortunately, no english documentation of this is available so far. The application prototype will be made available to the public as soon as the terms have been decided. Note that this is a prototype and its predictions should not be trusted.