I think it's reasonable to suppose that one could oscillate between being biologically 20 and biologically 25 indefinitely.

Accept the difficulty of what you cannot yet change. But do not accept the impossibility of ever changing it.

Some things tend not to work so well for science - things that rely on substantial written contributions by key experts are a case in point - but even there I tend to keep an open mind, because it may just be a case of finding the right formula.

I think it's reasonable to suppose that one could oscillate between being biologically 20 and biologically 25 indefinitely.

The right to choose to live or to die is the most fundamental right there is; conversely, the duty to give others that opportunity to the best of our ability is the most fundamental duty there is.

In the eye, there is a type of junk that accumulates in the back of the retina that eventually causes us to go blind. It's called age-related macular degeneration.

The aim is to postpone frailty, postpone degenerative disease, debilitation and so on and thereby shorten the period at the end of life, which is passed in a decrepit or disabled state, while extending life as a whole.