Light-activated drug delivery (IMAGE) Experimental Biology Caption A new light-activated drug delivery method could help confine arthritis treatments to the joints, greatly reducing side effects. The drug is activated using an external, low-power laser shown here with a person's finger (left) and the arthritic paw of a mouse (right). Credit Victoria Wickenheisser Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.