Monthly Archives: April 2010

Longevity of person is determined by genetics, environment and technology related factors. Life expectancy have improved very much over the past few decades, but only to produce more problems of the elderly due to increased longevity. Exercise levels are coming … Continue reading →

Immunisation started with variolisation in the early era of immunisation. Immunisation is administration of whole or part of a microorganism which causes development of immunity against the disease. The success of an immunisation program is the prevention of all vaccine … Continue reading →