Before revision: Self-medication is a human behavior in which an individual uses a substance or any exogenous influence to self-administer treatment for physical or psychological conditions : for example headaches or fatigue.
After revision: Self-medication is a human behavior in which an individual uses a substance or any exogenous influence to self-administer treatment for physical or psychological conditions ,, sometime called do-it-yourself (DIY) medicine, for example headaches or fatigue.