Why do sensations such as heartbreak/sadness/anxiety feel like physical pain?

Question

Why do sensations such as heartbreak/sadness/anxiety feel like physical pain?

In: Biology

Answer 1

Basically, these emotions trigger some of the same pathways that physical pain triggers.

In fact, it has been shown that painkillers such as acetaminophen (paracetamol) can actually help reduce social pain such as rejection. [Source](https://www.ncbi.nlm.nih.gov/pubmed/20548058)