This is a program that focuses on the health improvement of a given population i.e. this program is developed to maintain and secure the health of given targeted people. The advantage of this health program is to reduce the health inequities among population groups. This program helps in keeping the health of a group of people in a good condition with in a low period of time with less cost factor involved. This program has also helped in maintaining records over the health tests which are performed on large basis. Population health is an approach to decrease the ratio of the most common and dangerous disease such as AIDS. There are many programs handled under this which help in maintaining the over all health of a group. This program has also helped in keeping the population of a nation under limits and thus this program has great significance in today’s world.

Now days animal health is also given consideration as many people are attached t their pets very closely. However this love and attachment of these people to the animals help in keeping the animal health intact. Animal health is becoming a great concern as more and more logging industries are developing in all parts of the world. These logging industries are furiously cutting down trees and are undertaking and destroying the habitat of animals which in turn have affected the health of animals. More over many chemical factories are liberating chemical waste in to water which has caused the water near it spoil and the water has become poisonous and causing many fishes to die. Thus a special care is required to keep these animals healthy and fit in there own habitat. Many people, due to their aggressiveness have affected the health of animals. Thus animal health is needed to be maintained to keep the human health in good condition as both are connected through a food chain.