Loneliness is a complex problem of epidemic proportions, affecting millions from all walks of life.
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How longer lifespans and emerging technology will change our world
Could class conflict or even warfare break out over life-extension technologies?
Increased health and life spans may be a dream come true, but many worry that it could turn nightmarish owing to problems like overcrowding, resource depletion, and greater pollution.
Diseases, which would have been fatal or severely disabling just years ago, are now being completely cured thanks to advances in an exciting field called "tissue engineering."
The era of the 70-year-old mom may not be far off! Today, that sounds strange, but in a world with 150-year life expectancies, it could be commonplace.
Sonia Arrison is an analyst who studies the impact of new technologies on society. She is a Senior Fellow at the Pacific Research Institute and the author of 100 Plus.