Pill just what the doctor ordered

AN “intelligent pill” that dispenses precise amounts of medicine according to what the body needs could be on sale in five years, say researchers.

The "iPill" being developed by Canadian scientists is an electrical device the size of a 5p piece containing a micropump and sensors.

Once swallowed, the pill measures the body's temperature and acidity balance at several locations, and responds by delivering more or less medicine from an internal reservoir.