Health means more than an absence of disease it's a state of complete physical,
mental and social well-being , health is a vital issue for human ,there for its protection
and promotion must be considered in their widest sense because it depends on the
continued availability of environment resources and on the completion of environment .In
recent years , environmental problems have acquired new dimensions .Unless the protection of human health we will die out in addition of losing our
world, the maintenance and improvement of health should be at the centre of concern
about the environment and development .
In fact, the most immediate problems in the world are ill health and premature
death caused by pollution or biological agents in the environment's resources for example
water, air, soil, and food.
Starting from the old life food was the most essential element for humans
persistence and survive " useful food means strong body and healthy"
Health also depends on whether people can obtain food.
Over million people lack
the income or land to meet such basic needs. Hundreds of millions suffer from
under nutrition .
The problem is most acute in the developing countries where :
-four million infants or children die every year from diarrhea diseases, largely as a
result of contaminated food;
-over a million people die from malaria each year and 267 million are infected;
-hundreds of millions suffer from dangerous diseases
The out put of the world's food- producing systems has greatly increased over the
past few decades .As yet there is no global shortage of food or the capacity to produce it
in the world , but for a large part of food the world's population under nutrition and the
infections associated with it will remain the main cause of ill and premature death...