|dark matter essay
Life expectancy is usually associated with a comparison between different countries like shown in this map. But it seems much more interesting to look at below diagram, which shows the correlation between physical functionality and life expectancy of German's population in 1990. Line 4 visualizes "normal aging" which includes some reduction of physical functionality starting at the age of 70 and rather immediate death around 90. Line 2 visualizes the more and more common life path of people from risk groups which are commonly found in affluent societies (high blood pressure, frequent nicotine and alcohol users, high blood fats). These persons suffer considerable limitations of the physical functionality in their 40ies and 50ies and have a high likelihood to die around 65. Line 5 visualizes the ideal life path which is also described in Dan Buttner's TED talk about "Blue Zones": life with almost no limitations until a sudden death at age 100+.