Newswise — Ever have trouble remembering to take your pills or vitamins on time? You're not alone. Thousands of people around the world rely on timely medications to maintain their helath and happiness.

For the most critical of those cases, implantable drug-delivery systems may soon ease the burden. A carefully engineered device controls the size and timing of doses, and helps deliver the medicine directly to the spot where it's needed. Jeffrey Borenstein, director of the Biomedical Engineering Center at Draper Labs, describes how it's done.