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I don't have a fear of aging or a fear of death.
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Once you avoid the things that accelerate aging like smoking, obesity, excessive alcohol consumption, and excessive sun exposure, you've done about as much as you can to influence your aging process.
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The reason we have cancer and heart disease is the same reason you can't get rid of the wear and tear on your tires on your car: as soon as you use them, you are wearing them away. You can't make eternal tires, and it's the same with the human body.
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We have grown accustomed to the wonders of clean water, indoor plumbing, laser surgery, genetic engineering, artificial joints, replacement body parts, and the much longer lives that accompany them. Yet we should remember that the vast majority of humans ever born died before the age of 10 from an infectious disease.
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Growing new limbs, copying internal organs like a Xerox machine, exponential increases in computing power, better eyes and ears - I could read stories like this endlessly.
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If you do an autopsy on an 85-year-old who died of a stroke, you will find five other things that person was about to die from.
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We know in the field of aging that some people tend to senesce, or grow older, more rapidly than others, and some more slowly.
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As long as humans have existed, we have always desired to live longer. Every society, every religion, every culture. Of course, they all failed at dramatic life extension.
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The only control we have over the duration of our life is to shorten it, and we do that all the time.
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The evolutionary theory of senescence can be stated as follows: while bodies are not designed to fail, neither are they designed for extended operation.
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We're not trying to make us live forever; we're not trying to even make us live significantly longer. What we're trying to do is extend the period of healthy life.
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If you can slow the biological process of aging, even a minor slowdown in the rate at which we age yields improvements in virtually every condition of frailty and disability and mortality that we see at later ages.
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As soon as a handful of scientists come up with an intervention shown to influence aging in other species, they begin selling it as an intervention for humans, even though there may not be evidence it works.
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In Genesis 6:3, it says man can live to be 120, but there is no scientific basis for it.
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Just because someone looks old doesn't mean he or she is. The skin of some people who spend a lot of time outdoors seems to age very rapidly. Someone can look 80 or 90 and only be 40 to 50.
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You can open up a centenarian's brain, and you'll see some areas that look like that of a 50-year-old or of a 110-year-old. You can have variation in the basic process of aging, called senescence, in different parts of the same body.
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I'm not sure the least educated members of the population are missing out on the advances in medical technology as much as they are adopting harmful behavioral habits that shorten their life.
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The real problem is that there's a tendency to associate ageing with loss and decline and things that aren't desirable. But experiencing all that there is to experience in life - whether that's at the age of ten or thirty or fifty or eighty - is what life is all about.
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If we do everything right, the best we can do is live out our potential with as little age-related disease and disability as possible.
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Find a way to get a full-body massage every day.
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Someone will eventually succeed in this hunt for a longevity pill, and when they do, one of the greatest advances in the history of medicine will have been achieved.
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Ageing is very rare. We only see it in humans and laboratory animals and in zoo animals and in our pets. Basically, organisms that are protected from the external world. Once you create that protection, you live long enough to see ageing.
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The bodies we have are not made for extended use. We must cope with accumulated DNA damage, cell damage, muscle atrophy, bone loss, decreased muscle mass, and joints worn out from overuse during a lifetime of bipedal locomotion. It might have worked great for prehistoric humans, but it wreaks havoc on our knees and hips.
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The modern rise of Alzheimer's Disease in the twentieth century is not a sign of failure. It's a sign of success. Success in living long enough to see that disease expressed.