Dr. John Andersen

Dr. John AndersenDr. John AndersenDr. John Andersen
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    • Slowing or Reversal?
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Dr. John Andersen

Dr. John AndersenDr. John AndersenDr. John Andersen
  • Home Page
  • Slowing or Reversal?
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Winning the War Against Degenerative Aging

Winning the War Against Degenerative AgingWinning the War Against Degenerative AgingWinning the War Against Degenerative Aging

Winning the War Against Degenerative Aging

Winning the War Against Degenerative AgingWinning the War Against Degenerative AgingWinning the War Against Degenerative Aging

The Goals and Objectives

Can we develop treatments to slow or reverse aging?

People have always said that aging is one of the only two certainties in life, the other being taxes. Current research indicates they are almost certainly wrong. In recent years, Gerontologists have begun to overturn much of the conventional wisdom about getting old. Aging is not the simple result of the passage of time but the result of accumulated cellular and molecular damage which builds up over time until it starts to cause serious and potentially life threatening health issues once we reach a certain age.


In my opinion, the turning point regarding the war on aging will be seen by future generations as having taken place on June 25th 2000 at the Marriott Hotel in Manhattan Beach, California. This was the point when Dr Aubrey de Grey realized that curing aging was likely to be extremely difficult but there might be an alternative route that would lead us to significant life extension. This alternative is termed by Dr de Grey and many others as the engineering approach.  Myself and many others view this approach as holding the greatest promise for combating aging within the next 10/20 years. 


Executing this mission to bring aging under decisive medical control  requires an unprecedented level of interdisciplinary effort and a long-term focus it might prove to be the case that because companies had to work together to beat Covid-19 increasing interdisciplinary efforts might well prove to be a game changer.

What is the Engineering Approach?

The key to understanding the engineering approach is to keep in mind that we will probably not develop a true a CURE for aging in the foreseeable future. Whilst it would be ideal if we could we must be realistic and work on the basis that it will probably not happen. In my opinion, we must work from where our knowledge stands currently. Our strongest area of knowledge lies in that, whilst we understand the reasons why the body deteriorates with age, we do not have the requisite knowledge to intervene in a way that influences the actual ongoing metabolic processes.


I am often asked "how long before we can cure aging?" To understand let’s keep in mind that we are already adding two months to life expectancy every year (or 5 hours per day) and this has been consistent for the last 30 years or so. If you then consider that many people including myself see a better than 50% chance of controlling aging within 15/20 years the whole issue starts to become very interesting. As far as the time span for an actual cure, I would hazard a guess that it is at least 100 years away. The alternative approach is to aim at controlling aging and repairing the accumulated damage, this should be our primary goal because we understand the types of damage we need to address as well as how the damage is laid down even though we understand very little about actually slowing aging or influencing metabolism. This is the essence of Aubrey de Grey's theory and most other theories regarding the engineering approach, without doubt route holds the best prospect of success in the first half of this century because we are already making significant progress in all of the vital areas required to make it a reality.

What does the Engineering Approach Offer?

I am pretty confident that taking this route potentially means that we do not have to find a cure for aging itself, therefore, we bypass the problems that our lack of knowledge in the area of metabolism and the aging process creates because what Aubrey terms “engineered negligible senescence" can potentially extend life indefinitely while not actually curing the underlying aging process which is allowed to continue.


The key lies in the fact that we have a sufficient understanding of genetic and biochemical processes that lead to metabolic damage that we can already envision what is termed the engineering approach. Aubrey frequently uses the question "how long will a house last?"  Of course, the answer is that, if you look after it, it can last forever! The key here is that Aubrey proposes that we find a method to undo the damage that has accumulated over the first 50 or 60 years of a person’s life. Repairing the damage means we do not need to understand all the processes of aging, only that we need to know enough to extend healthy lifespan by let us say 30 years.  


Most people would presume that slowing the aging process might be a great deal easier than reversing it. I tend to agree that at first glance this would seem to be a perfectly logical assumption and, indeed, in all probability the first therapies are likely to be interventions which slow the aging process and increase an individual’s health span. Current indications are that at least 7 or 8 extra years  of healthy life are within striking distance and research involving Senolytic drugs, NMD and NAD+ look very positive see this link. 

How it Would Work in Practice

It is actually quite easy to follow and what this means in essence is that, let us say you are 60 years old at the time of the first intervention and that this early and fundamentally imperfect treatment repairs 25 years of accumulated damage.  Then 10 years later you would reach the chronological age of 70 but would be biologically only 45 years old. We now come to the vital key to the whole theory which is this, let us say 20 years after the first treatment, when you are chronologically 80 but biologically 55 years old, clearly both your doctor and yourself will realize that the damage that was not repaired in the first treatment combined with further damage accumulated over the 20 years since is again posing a health risk.  At this point it is time for another intervention.


It is now that the progress in medicine comes into play because, by the time 20 years has gone by, anti-aging medicine will have moved on significantly and, whilst the first treatment bought you an extra 20 or 30 years by repairing a fair amount of the damage accumulated over 60 years of living, it did not repair it all. 20 years later progress will mean that the latest treatment will not only repair all of the damage corrected by the first intervention but also some of the damage that was not able to be repaired 20 years earlier so in essence you are now 80 and having intervention number 2 which will not only repair all of the damage that was repaired by intervention 1 (along with the 20 years of damage since the first intervention) but also some (but probably still not all) of the damage that could not be repaired by the first treatment.


This means that, whilst you will have aged 20 years, chronologically you will be biologically younger after the second intervention than you were after the first. This is the essence of Aubrey's theory and, essentially, it is a short cut to radical life extension. It is not a cure but it acknowledges that it does not need to be because it simply buys time and leads to a situation where regular interventions at say 15/20 year intervals with increasingly effective treatments could extend life virtually indefinitely.

 

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