Our immune system implements an array of strategies to combat threatening infections. White blood cells called cytotoxic T ...

The human immune system is one of the body’s most complex and fascinating defence mechanisms. It works tirelessly to protect us from infections, bacteria, viruses, and other harmful invaders. While ...

In addition to strengthening the muscles, lungs, and heart, regular physical exercise also strengthens the immune system. This finding came from a study of older adults with a history of endurance ...