[Perspectives] How studying the immune system leads us to new medicines
One of the most important frontiers of scientific enquiry for the 21st century is the human immune system. It is also one of the most complex and mysterious. Understanding our body’s ability to fight disease requires us to understand a system that is highly complex and continuously changing. The power of our immune system waxes and wanes—affected by sleep, stress, nutrition, old age, the time of day, and our state of mind. Many mysteries remain. But from the knowledge we now have, countless opportunities for new medicines arise.