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
Although telomeres usually shorten with age, they can lengthen through the action of an enzyme called telomerase. Iiris Hovatta of the Research Program of Molecular Neurology at the University of Helsinki, who was not involved in the Romanian study, suggests that shortened telomeres might not be permanent.