
HealthAugust 1, 1988
Light-Activated Drugs
A patient ingests an inert substance. The substance is removed from the body in a small amount of blood and activated by light. The result? Effective treatment for a stubborn cancer

Light-Activated Drugs
A patient ingests an inert substance. The substance is removed from the body in a small amount of blood and activated by light. The result? Effective treatment for a stubborn cancer

The Immunologic Function of Skin
The body's largest organ is more than a passive protective covering: it is also an active element of the immune system. Specialized cells in the skin have interacting roles in the response to foreign invaders