Wednesday, December 5, 2007

Internal and External Causes of Skin Aging

Internal and External Causes of Skin Aging
It's almost impossible to stop your skin from aging even
though we constantly try. There are two separate types of
aging processes. One we get from our parents in our genes
call that internal. The other is from external
environmental attacks like sun, pollution, smoke, etc.

Internal Aging

This is a continuous process that begins in our 20's when
skin cell production slows down. Even though these events
begin now, they aren't visible for decades. Possibly why
so many young adults continue to ignore the warnings about
sun damage to their skin. At this stage, collagen
production begins to lessen and elastin begins to be less
stretchy. Dead skin cell turnover is not as fast nor do
they shed as easily. Signs of this natural aging process
might be:

- Fine wrinkles on the facial area and neck
- Thin and transparent skin allowing blood vessels to show
- Loss of underlying fat, leading to sunken cheeks and eye
sockets as well as loose sagging skin on the hands and neck
- Dry itchy skin
- Inability to sweat sufficiently to cool the skin
- Graying hair
- Loss of hair or unwanted hair in other places

Hereditary factors determine how and when the aging process
begins and how fast it proceeds. Any one of these symptoms
of aging skin might occur first followed by others at any
time. Some may show in people as early as their 20's while
others may not show until 40 years of age.

External Aging

Combine the internal aging with external aging and you have
a great probably of speeding up the aging process
prematurely. The sun plays the biggest role, closely
followed by pollution then smoking.

Sun screen. A few minutes a day of sun exposure over a
lifetime can cause visible changes to the skin. From the
severest ' skin cancer, to others like age spots,
freckles, loose skin, leathery rough skin, spotted
complexion all from too much sun exposure without
protection.
The severity of skin change depends on the length of
exposure over the years and the persons skin color. The
actual process of change that is occurring in the skin is
happening in the second layer of skin. UV light breaks
down collagen and prevents new collagen from growing.

Airborne pollutants also contribute to signs of aging.
Dirt and chemical particles in the air create a layer of
cover over the skin and prevent oxygen from entering the
cells to be used as a nutrient.

Now add cigarette smoking on top of those two and you have
the trifecta of skin aging. Smoking cause biochemical
changes in the body that accelerates aging. If they live
long enough to view the changes in their skin, research
shows that smokers will develop deep wrinkled leathery
skin. This can even be a weird yellowish color.
Interestingly, stopping smoking can reduce the visible
signs of aging given enough time.

How to Slow the Skins Aging Process and Look Younger

Remember, the aging process can't be stopped because it is
hereditary. However, premature aging can be prevented by
protecting the face from sun, pollution, and quitting
smoking. Many doctors recommend wearing broad spectrum (UVA
and UVB) sunscreen with a sun screen protection factor
(SPF) of 15 or higher year round. Don't use tanning devices
and wear a hat when working outdoors. The better the skin
is taken care of the younger and healthier it will continue
to look.


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