Nice blog-post on the subject of emotions and how they affect our lives.

This from Twinkle Thakkar blog-post:

Why do we have emotions? What is the purpose of emotions? What do they do for us? They certainly have a significant effect on us, but what is it all for? These are some of the questions to which this article attempts to answer.
In my last article we discussed what emotions are and how the brain and body systems that process emotions are intimately connected with the hormonal apparatus, the nervous system, and in particular the immune system.
So now let’s now understand emotions in three distinct time frames – Past, Present and the Future.

Full Happiness and Health Blog Post: Happiness and Health : Evolution and Purpose of Emotions.