He says doctor will be able to reprogram the device from a computer or even a cell phone. The seven women in the study were ages 65 to 70. The researchers say the implants were just as effective as daily injection. And they say the dosage amounts were more exact than patients often give themselves. the microchips in the study held only twenty doses of medicine. Mr. Farra says it could take four years to design and test a version with the ability to hold a year's worth of medicine. he says the microchip may one day free patients from having to remember to take their medicine,or give themselves injection. It may also be useful in treating other chronic diseases,including heart disease and multiple sclerosis. For VOA special english.