Stress is the physical answer to something that makes us feel threatened or upsets our balance. It is the human body's way to protect us. It helps us stay focused and alert. In extreme situations it can save our life making us move or think quickly ot giving us extra power to defeat an enemy. But there are cases when stress stops being helpful and starts causing troubles for our health and lifestyle. Harmful stress may lead to a variety of dangerous health issues like heart diseases, high blood pressure, panic attacks, depression, etc.