Category Archives: Uncategorized

Public health measures like cleaner water, public sanitation systems, cleaner air and barriers to cigarette smoking have been major contributing to longevity in the last 200 years. These measures have contributed significantly to the average lifespan in the US more … Continue reading →

Those of you who have put together jigsaw puzzles know that every once in a while a piece is found that links together several seemingly unrelated chunks of the puzzle.  The sirtuin SIRT3 is doing that for several chunks of … Continue reading →

By Brendan Hussey (I invited Brendan Hussey to generate this blog post after reading his comments to the post Closing the loop in the stem cell supply chain – presented graphically. It was clear that he had something fundamental to … Continue reading →

In the previous blog entry Nitrates and nitrites – Part 1: bad for you I described  how there are two current contradictory views about the value of human consumption of nitrates/nitrites.  One view is that consumption of these substances, perhaps … Continue reading →

Every great once in a while mainline medical advice reverses itself about something important – what was bad becomes good or what was good becomes bad.  That happened with Vitamin D in recent years when stern warnings never to exceed … Continue reading →

Why the pursuit of anti-aging science?  I take a short break from science in this blog entry and look at myths about aging and how aging is viewed in popular folklore – ancient and current.  These myths are important because … Continue reading →

A group of well-intentioned people, mostly men, take human growth hormone (HGH) or an HGH promoter to stay young and fit and, they think, to live longer.  They are wrong in one important respect: injection of HGH or use of … Continue reading →

The 14th theory of aging described in my treatise is Programmed Epigenomic Changes.  But exactly what are the epigenomic changes and how do they work?  Much is still to be learned in this area but recent research is going a … Continue reading →

Research related to induced pluripotent stem cells (iPSCs) is proceeding at warp speed.  I have posted multiple blog entries related to iPSCs, ten so far in 2010.  These are all listed in the November 2010 blog post Past blog postings … Continue reading →

In several earlier blog entries I have advocated the concept that social evolution is leading now to rapid biological evolution in humans, the entries including Social evolution and biological evolution – another dialog with Marios Kyriazis, and Social ethics of … Continue reading →