To clear the air, below are a few facts all pool owners should know: 1  Pool liners do not cost $10,000. 2  Pool liners generally do not last over 20 years. 3  While tears can happen, they are not likely.  Vinyl pool liners can look just as beautiful as fiberglass or concrete.
Age related decreases in the volume of fat cells in the subcutaneous layer may be caused by telomere shortening, and can lead to more noticeable wrinkles and sagging; Sunlight may contribute to this degradation of the dermis; Sunlight does not appear to shorten telomeres
When cells want to keep dividing, they do have a mechanism to lengthen their telomeres. They use a special enzyme called telomerase. So, a fetus has active telomerase in each of its cells. Telomerase will add short tandem repeats to the ends of chromosomes so that a cell can keep dividing. One an organism reaches maturity, telomerase is no longer made. Cancer wants to keep dividing.