Ageing is so many different things, and cells being able to self-renew is part of the picture but not all of it.

Cancer cells have a lot of other things that are really wrong with them, and we should never forget that these are cells that have become deaf to all the signals that the body sends out, such as you can multiply a certain amount, you can be in a certain place in the body, where to stay, where to move, and so on.

One characteristic aspect of ageing is the increased susceptibility to disease, particularly age-related diseases such as cardiovascular diseases and cancer.

Elizabeth Blackburn Quotes