The power of prevention world wide is documented with over a 25 year increase in life expectancy, almost all of which is due to prevention. With the aging of the world, non-communicable diseases now represent the primary forms of morbidity in all developed and many developing countries. To improve global health will mean to reduce the burden of non-communicable diseases. This is what we refer as " Epidemiologic transition. It is estimated by the year 2010 73% of the deaths in developing countries will be due to chronic conditions.