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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Mol Cell Cardiol. 2015 Apr 11;83:1–13. doi: 10.1016/j.yjmcc.2015.04.005

Figure 2. Life expectancy around the world has increased steadily for 200 years.

Figure 2

The older population is progressively becoming more predominant as life expectancy increases in many developing countries. Adding years to the end of the lifespan, when chronic age-associated diseases become rampant (Fig. 1), raises the issue that surviving to these older ages is living on “borrowed time” (adapted from Ref. 5).