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#23: Indefinite lifespan in our future; experts ponder responses
Dick Pelletier   Dec 16, 2014   Ethical Technology  

To begin this article on living longer, we focus on a fascinating TED talk where science writer David Duncan poses questions based on "When I'm 164".



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According to IEET readers, what were the most stimulating stories of 2014? This month we’re answering that question by posting a countdown of the top 31 articles published this year on our blog (out of more than 1,000), based on how many total hits each one received.

The following piece was first published here on May 25, 2014,  and is the #23 most viewed of the year.
 



 

 Next, popular futurist and resident 'smart guy' Ray Kurzweil sums up how technologies play out over the next two decades with this claim: "If you remain in good health for 20 more years, you may never die."

    Kurzweil looks at today's trends to piece together a convincing picture of what science hopes to accomplish in the future. He believes we will eliminate most disease, pain, and forgetfulness. "If you live well for the next 20 years," he says, "you may be able to live in perfect health for as long as you wish."

    Although accidents, crime, and other forms of violence, may still cause death in this future time, nobody will die from heart problems, cancer, diabetes, or most of the other age-related diseases.

    This future is not surprising considering the current speed of medical innovations. It seems just about every week, we hear researchers make fresh discoveries, or begin clinical trials for a new therapy; and over the next 20 years, experts say, healthcare breakthroughs will occur at even faster rates than today.

    In a recent Technology Review interview, Harvard genetics professor George Church forecasts a bright future for regenerative medicine using stem cells. Involved in the Personal Genome Project, a massive effort to sequence the genes of 100,000 people, Church sees an increase in doctors using induced pluripotent stem cells (IPS) to create replacement organs and tissues between now and 2030.

    These wonder cells could one day regenerate nearly every part of the human body, Church says. At first, the process will be used to make sick patients well, but it will soon become clear that people, who enjoy good health, will want these procedures to enhance and strengthen their already healthy bodies.

    Nanomedicine author Robert Freitas recently described the development of tiny nanorobots that can roam through our bodies and repair cell damage. "The hard part is building the first one", Freitas says; "although the progress may seem slow, nanorobots will one day become reality."

    Freitas compares nanomedicine development to the computer industry. It took 60 years of market-driven research to bring computers to their present state with today's 'smart' cell-phones, laptops and tablets; and we will see a similar, but more rapid progression with medical nanorobots.

    "This revolutionary nanoscience," Freitas says, "is in beginning stages of producing bio robots now. Next will be hybrid robots built from engineered structural DNA, synthetic proteins, and other non-biological materials. Finally, by early 2030s or before, researchers will produce completely artificial devices: nanorobots capable of protecting every cell in the body from disease, injury; and even aging."

    In just 20 years, seniors and 'boomers might look in the mirror wondering, "Who is that gorgeous creature?" Their reflection would reveal a perfectly-shaped body with natural hair color, wrinkle-free skin, real teeth, and a powerful body with reinforced muscles.

    Even though our lives will improve immensely, extending human lifespans beyond what some consider 'natural' may evoke controversy. Religions hold that death is inevitable; that living a good life sends believers to an afterlife paradise, and memories of lost loved ones live on in the hearts of descendents.

 ‚Äč   Science essayist G. Stolyarov II discusses the future of religious worldviews in a society where human longevity increases indefinitely and death is no longer perceived as inevitable. Stolyarov argues that religions evolve, too, and; to survive; they will need to adapt to the reality of radically longer lifespans.

    Nevertheless, experts believe this controversy will not stop efforts to extend health and increase human lifespan. Demand from citizens who believe they deserve improved health and longer, happier lives, will drive this future forward; and it could become reality in time to benefit most people alive today.

    Will abilities to extend life progress like this? Stem cell advances, genetic breakthroughs, and nanotech discoveries are occurring almost daily. Humanity's dream of immortality could be just around the corner!

Images:
http://www.deviantart.com/art/Time-160158880
http://www.deviantart.com/art/time-45690159
http://www.deviantart.com/art/Time-174763345

Dick Pelletier was a weekly columnist who wrote about future science and technologies for numerous publications. He passed away on July 22, 2014.



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