An interview with Aubrey de Grey of the SENS Research Foundation in Tendencias21, a Spanish publication. The occasion is the publication of a Spanish language edition of Ending Aging:

[Aubrey de Grey]: What is this thing "aging and death" in the question? It is very instructive that there is so much fatalism about aging that people consider aging to be synonymous with death. Death - from any cause, including causes that are related to how long ago you were born and also causes that are not - is not what I am working to avert. I am working to avert aging, i.e. the ill-health that is currently an inescapable consequence of being alive for a long time. And yes, I think that aging is emphatically NOT an inescapable thing - I am sure that it will eventually be defeated with medicine.

[Tendencias21]: What are the steps or progress made so far by the science that could prolong human life and improve its quality, despite the passage of time?

[Aubrey de Grey]: All the therapies that we need for the control of aging are within reach. In some cases, such as stem cell therapies to replace cells that die and are not automatically replaced by cell division, we are very close - clinical trials are already in progress. In other cases we are still working with mice, or even just cells in a dish, but even there we have a clear way forward to the development of medicine for people.

[Tendencias21]: Do you believe that, in the not too distant future, we could avoid the ballast of the degenerative diseases associated with aging?

[Aubrey de Grey]: Yes I do. I think we have at least a 50% chance of developing truly comprehensive rejuvenation medicine within 25 years, just so long as the early-stage, proof-of-concept research that is going on right now is adequately funded.