Tuesday, February 18, 2014
What do we mean by health and disease ?
1- Health
WHO’S definition of health
" It is a state of complete physical , mental and social well-being and not merely the absence of disease of infirmity "
2- Disease
It is an abnormal condition that affects the body of a living organism , It is as a medical condition associated with symptoms and signs
Causes : May be Internal Causes " Auto-immune " or External causes " Infections "