Melanoma can also form in the eye and is called ocular melanoma, in very rare cases develop in internal organs and the intestines. Most melanomas develop in the skin.

Melanomas cause a large number of deaths, because they are easily spread to other organs of the body (metastasis). The causes are still not clear, but it is believed that sun exposure without sunscreen, and exposure in Tanning beds are the main causes of melanomas.

Types of melanoma

Malignant Melanoma
Acral lentiginous melanoma
Lentigo maligna melanoma
Nodular melanoma
Superficial spreading melanoma
Melanoma of the eye

Risk Factors

Very white skin, the more white there is less protection against UV rays
Broncos continued from childhood, it is believed that the greatest damage is occurring before 18 years of age.
Continuous exposure to UV rays.
Live in sunny places of high altitude.
Family history of skin cancer.
People with weakened immune systems.
Continuous exposure to carcinogens.
Rare genetic disorder.

Symptoms

In general, a large lunar
Change in color and appearance
Mixture of colors in the same lesion
Irregular borders, often asymmetrical
Bleeding

For you are well

Avoid the sun between 10 am and 3 pm.
Blockers used daily, the higher the SPF the better.
Protect your skin with clothing as well as your eyes.
Avoid tanning beds.
Try to visit your dermatologist regularly.

This is because melanin protects the skin from one of the main agents of aging, the sun. And because his dark skin ages differently from others, we must take a special routine for them. Everything is in giving that extra care to both your skin and your body and spirit.

The color of the skin has a protective function because melanin absorbs ultraviolet light, which although necessary, in excessive amounts is harmful.

This condition determines and allows different races living in their home, for example, dark skin living in Africa or in very hot, a defense against intense solar radiation, while in Scandinavian countries other areas where less light reaches ultraviolet light skin can get all you need for your body to make vitamin D.

Melanin is the end product of a complex series of chemical reactions and can not be formed without the presence of an enzyme called tyrosinase.

But worldwide there are people with white skin, as well as hair and eye iris, this feature is known as albinism, which comes from the Latin word albus which means white and this is because albinos are not genetically encoded to produce tyrosinase and thus melanin.

This disease affects roughly one in every 20,000 people of all races, is hereditary and occurs because the eyes, skin and / or hair pigment containing less than usual or total lack of it. When there is a total lack of pigment, stressed skin and white hair and pink eyes.

One form is the type of ocular albinism affecting only the eyes, showing the pigmentation of skin and hair a normal state. In severe cases of albinism, the central area of vision, the macula does not develop properly, leading to a large decrease of vision.

A second rare form of albinism is associated with increase bleeding tendency and gets infections.