It is often believed that 'love is a drug' and now a new research has confirmed that romance really does work in a similar manner as addiction to illegal substances and activates a reaction in the same part of the brain.

Those smitten will produce an emotional response in the part of the grey matter usually involved with motivation and reward. Our brains have been hardwired to choose a mate, and we become so motivated to win them over that we are sometimes willing to go to extreme lengths, the Daily Mailu00a0reported.