Different addictions, the same behaviour. A physiological explanation and a preventive proposal

Addictive behaviours have common symptoms due to the physiological basis of these kinds of disorders. In this article a brief review of the physiological mechanisms of addictive behaviours is shown. There is also a preventive proposal in order to avoid lack of personal balance that could lead into addictive behaviours. It is related to our self-discovery and the ability to serve or help other human beings.