Epidemiology is the branch of medical knowledge which studies how diseases occur, the manner in which they spread in a given segment of the population and how they can be controlled. Epidemiology not only uses surveys to gather and analyze statistical data, they also use the social sciences to identify the social background of diseases. Widely ranging public health problems are investigated and the possible road to remove those problems is formulated. Australian students can take epidemiology assignment help to complete their assignment in time and in a professional manner.

The effect of environmental exposure to lead and other heavy metals in specific areas may form an interesting assignment. Asthma is found to be triggered by air pollutants in certain types of areas. Modern living necessities have given birth to certain services like mobile towers whose radiation has been identified as causative agents of carcinoma in the population living in the close vicinity of such towers.