Have you started feeling depressed or moody while in love lacking focus or motivation to finish a task at work or finding yourself addicted to shopping or even gambling? Do not just blame sudden impulses or your stars - at the axis of such deviating behaviour are two key naturally occurring chemicals in your brain: dopamine and serotonin. While dopamine helps keep our mood in a balanced level so that we avoid depression serotonin is also a vital feel-good hormone - important for calmness and emotional well-being - and is responsible for enhancing confidence levels. Any fluctuation in their levels