UK Daily Mail 
Sunday, April 12, 2009
Microchips in pills could soon allow doctors to find out whether a patient has taken their medication.
The digestible sensors, just 1mm wide, would mean GPs and surgeons could monitor patients outside the hospital or surgery.
Developers say the technology could be particularly useful for psychiatric or elderly patients who rely on a complicated regime of drugs – and are at risk if they miss a dose or take it at the wrong time.
It could also be used for the chronically ill, such as people with heart disease, to establish whether costly drugs are working or whether they are causing potentially dangerous side effects.
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The sensors could even remind women to take the Pill if they forget.
The ‘intelligent’ medicine works by activating a harmless electric charge when drugs are digested by the stomach.
- A d v e r t i s e m e n t
This charge is picked up by a sensing patch on the patients’ stomach or back, which records the time and date that the pill is digested. It also measures heart rate, motion and breathing patterns.