skin cancer..what is Reason?

answers1: too much exposure of UV rays
answers2: I think it's either environmental (exposure to too much sun)
and/or genetic. Some populations are more at risk for certain health
conditions/diseases. <br>
<br>
Typically skin cancer results from too much sunlight over time, which
is why SPF sunscreen/block is advised so much during the Summer
months. If you live in a more tropic/sunny locale, and have more
exposure to the sun, I would guess that you would have a higher risk
for skin cancer. <br>
<br>
The "hole in the ozone" environmental situation is another factor that
relates to your question.
answers3: Skin cancer is a malignant growth on the skin which can have
many causes. The most common skin cancers are basal cell cancer,
squamous cell cancer, and melanoma. Skin cancer generally develops in
the epidermis (the outermost layer of skin), so a tumor is usually
clearly visible. This makes most skin cancers detectable in the early
stages. <br>
<br>
Studies have shown that smoking tobacco and related products can
double the risk of skin cancer.[14][15] <br>
Overexposure to UV-radiation may cause skin cancer either via the
direct DNA damage or via the indirect DNA damage mechanism.
Overexposure (burning) UVA & UVB have both been implicated in causing
DNA damage resulting in cancer. Sun strength between 10AM and 4PM is
most intense. Natural (sun) & artificial UV exposure (tanning salons)
are possibly associated with skin cancer. [16] <br>
UVB rays primarily affect the epidermis causing sunburns, redness, and
blistering of the skin when overexposed. The melanin of the epidermis
is activated with UVB just as with UVA; however, the effects are
longer lasting with pigmentation continuing over 24 hours. <br>
Chronic non-healing wounds, especially burns. These are called
Marjolin's ulcers based on their appearance, and can develop into
squamous cell carcinoma. <br>
Genetic predisposition, including "Congenital Melanocytic Nevi
Syndrome". CMNS is characterized by the presence of "nevi" or moles of
varying size that either appear at or within 6 months of birth. Nevi
larger than 20 mm (3/4") in size are at higher risk for becoming
cancerous. <br>
Human papilloma virus (HPV) is often associated with squamous cell
carcinoma of the genitals, anus, mouth, pharynx, and fingers. It is
believed that the HPV vaccine might help to prevent these cancers as
well as cervical cancers. <br>
Skin cancer is one of the potential dangers of ultraviolet germicidal
irradiation. <br>
To know more about the Skin Cancer Please visit the website link below <br>
http://starturl.com/skincancer
answers4: Any human can get skin cancer. You have greater risk of skin
cancer if… <br>
<br>
Skin is fair <br>
Light-colored hair <br>
Light-colored eyes. <br>
Large number of moles on your body. <br>
Moles in unusual size and shape on your body. <br>
Genetic factors (Family history of skin cancer). <br>
Mostly working or playing in the open. <br>
Live nearer to the equator. , at a higher altitude, or <br>
Live in any place that gets powerful, constant sunlight.