Time, summer time of tan. But it really should be tan
or at risk for skin?
The skin is one of the most developed organ of our body, an organ that protects
us, being strong and resilient, trauma and infections, accounting for
approximately 16% of total body weight.
. Coming summer all go to sea, thinking of taking the classic "tan", not knowing
that the sun, while it does well and wins the depression of the dark,
existential anxiety and stress, on the other does increase the risk of
developing skin cancer. Just think that in the world, each year there are 2
million to 3 million new cases of skin cancer and melanoma 130 000. Also, if the
basalioma in Italy increased by 10% and 4% of melanoma. So the first message is
to be seized:
Avoid sun exposure, especially children and especially those with fair skin.
But what are the types of skin?
And 'everyone knows that people in fair-skinned, with freckles and those with
dry skin need to avoid sunlight. Exists to a classification skin types, risk
decreasing from first to sixth:
.. Phototype 1: are subject to clear skin with freckles, red hair or blonde;
Phototype 2: fair skin but dark hair blond or light brown with golden tan;
Phototype 3: dark skin and brown hair
Phototype 4: very sallow complexion, eyes and hair blacks;
Phototype 5: very dark complexion and curly hair, are the Middle East;
Phototype 6: are the subjects of black leather.
Because the skin types?
Because those who risk more, that is incurring the skin cancers are the first
two skin types, while subjects respond better to dark tan and release more
melanin and burns less, even if they are not immune from cancer.
When tanning UV rays penetrate tissues and cause damage, the classical sunburn,
sunburn. It happens however that the body reacts and that solar energy strikes
the layer of melanocytes, special cells that produce melanin, a pigment that is,
that gives the skin a bronze color and that absorbs ultraviolet radiation. But
the coloring process of the skin is gradual and time is needed to form the
protective layer for this reason should avoid being in the sun all day,
especially without pause and it should get a tan in stages, beginning with 5
minutes on the first day and continue accordingly.
What can happen if I take too much sun?
Surely, in genetically susceptible individuals, exposure to sunlight is the main
cause of skin cancer, so it was all agreed in saying that excessive exposure to
UV radiation remains a major risk factor for the development of less aggressive
tumors, ie those that originate from the lining skin (and I base thorn cell
carcinomas). For melanoma, potentially more aggressive, however, the risk
factors are quite different and certainly related to the familial predisposition
and in the presence of freckles and - especially if many large, irregular edges,
shape and color variable - and phototype (eyes, hair and fair skin). UV
radiation also can change the genetic information of the DNA molecule, since
they degenerate and form abnormal connections and mutations responsible for
cancer to form.
The cell is normally equipped with repair mechanisms, one of which provides for
the elimination of abnormal connections between the bases of DNA and the
replacement of the damaged stretch of DNA with a new synthesis. In a rare
hereditary disease, xeroderma pigmentosum it, for example, DNA repair mechanisms
are affected and those affected is very sensitive to damage from sunlight and
has a high risk of developing skin cancer.
So what if you do not want to miss tan?
This involves:
If you must expose to the sun, beach, garden, outdoor, and is particularly
sensitive, with skin types 1 to 3, always use the protection of sunscreen that
prevents sunburn and should be spread 15 minutes before exposure . These
products must be in our case a degree of protection between 30 and 50, at least
6 tablespoons of product without stint, that is 35 grams.
Avoid exposure during the hottest and sunniest of the day, that is between 11
and 16, preferably staying under the umbrella on the beach.
The cream must be purchased by little, never use that first year!
Only successively phototypes 3:04 creams may prove less protection.
NEVER USE TANNING OILS, and CREAM WITH PROTECTION
FACTOR 6 AND FOLLOW MODE idiot!
To protect yourself from the sun can also use sarongs, preferably orange.
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