A new study on glaucoma, a leading cause of irreversible blindness, offers a fresh understanding of how the disease progresses and points the way toward new treatments. The study, published today in ...

Your lymphatic system filters waste, runs your immune defense and has no pump. Here's what doctors say keeps it moving.

When a donor organ is given to a recipient, it’s crucial that the recipient’s immune system doesn’t attack the donated organ as a foreign invader. While organ transplantation has advanced tremendously ...