New Delhi, March 3 -- Imagine being severely injured on the battlefield and feeling little to no pain. It sounds impossible, right? Yet, during World War II, physician Henry Beecher observed this very phenomenon where wounded soldiers who required little to no pain relief, despite having serious injuries. What was happening inside their bodies?

According to an article in The Conversation, the answer lies in the brain's remarkable ability to regulate pain, switching it on or off depending on the situation but how does this work - and can we tap into this hidden power in our everyday lives?

Pain is not just something you 'feel.' It is a sophisticated alarm system designed to protect you from harm. When you touch something too hot or cut y...