Introduction
People in the developed countries are living longer with advances in medical science. The life expectancy, today, is much longer than it was in the previous generations. With the baby boomer generation now reaching the age of 65 years and people living longer as compared to the olden days, the population worldwide of those aged over 65 years is increasing day by day or is set to increase substantially in the coming decades ahead. With an increased life expectancy, there is also a rise in chronic diseases. Worldwide, over 22 million people die from chronic diseases every year (Free 2). ...
