Excerpt: [R]esearch around the world has shown that the process of the aging of the population by itself adds only a very small part -- usually about half a percentage point -- to the annual growth in per-capita health spending in industrialized societies, which tends to range between 5 and 8 percent, depending on the country and the period in question. The bulk of annual spending growth can be explained by overall population growth (about 1.1 percent per year), increases in the prices of health care goods and services, and the availability of ever more new, often high-cost medical products and treatments used by all age groups.  MORE >>