Inner Nature: Immunity — Autosurveillance
![](https://www.unionvilletimes.com/wp-content/uploads/2019/06/Immune-1-100x100.png)
By Vidya Rajan, Columnist, The Times
The immune system is the mechanism that protects and defends the body. Although its main purpose is defense against attack, the immune system is also a barrier, border patrol, soldier, police, doctor, parent, and amazingly, a fortune-teller, all in one package. Not only that, it exists in every living organism from bacteria to plants to animals to protect against...