Medicine Frontier:Tele - Med: Immune System
Whether we’re healthy or sick depends first and foremost on how effectively our body’s immune system is working. Scientists are coming to recognize ever more clearly the decisive role played by the immune system in the progress of many diseases. Our inner defences have not yet yielded up all their secrets. We still don’t understand their sophisticated strategies for attacking intruders， nor do we know why they sometimes fail. But one thing is certain: the better the immune system functions， the less likely we are to fall ill.
- Added：2006
- Country：Germany
- Duration：30
- Time of update：2011/8/19 14:49:42