Description: An excerpt from a presentation at the 2014 Living to 100 Symposium, this article describes an open-source model for use by actuaries attempting to estimate future health benefit costs, discusses its strengths and limitations, and projects that spending for those age over 65 will take more than $13 trillion by 2055, about 50 percent of total medical expenditures.

Description: Responds to questions received during the webcast with regards to modeling long term medical trends for valuation purposes. Questions cover testing the model against publicly traded companies, the calculation of growth rate in the model, the income multiplier as the population ages, model relevance to Canada, factoring in of extra disease burdens, exclusion of aging in the model, and the effect of the globalization of health care.