Vitamin A is an essential vitamin required for vision, gene transcription, boosting immune function, and great skin health. A deficiency in vitamin A can lead to blindness and increased viral infection, however deficiency is only considered a problem in developing countries where it is a leading cause of blindness in children.
Wanting to look young is not exactly a new idea -- the search for the fountain of youth has been going on for centuries. And while this past year didn't deliver the perfect elixir, the year did introduce some scientifically solid, significant advances in anti-aging skin care.
When preparing for a flight, skincare is probably not on your list of priorities. But you may want to give it some thought. The frigid air blasting from the plane's vents and the UVA rays coming through the windows can wreak havoc on your skin.