what causes skin cancer?
922615
Skin cancer is a malignant growth on the skin, which can have many causes, including repeated severe sunburn or long-term exposure to the sun. 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. There are three common types of skin cancer each of which are named after the type of skin cell.\n\nThe most common types are \nbasal cell carcinoma (BCC) and \nsquamous cell carcinoma (SCC) \nwhich may be locally disfiguring but unlikely to spread to other parts of the body. \nThe most dangerous type is malignant melanoma, which can be fatal if not treated early, but forms only a small proportion of all skin cancers.\n\nOther types of skin cancer are:\n\nDermatofibrosarcoma protuberans \nMerkel cell carcinoma \nKaposi's sarcoma \n\nFor more Details about skin cancer Prevention, Genetics, Causes, Treatment, Screening and Testing, Cancer Literature, Research and Related Information, Statistics.\nhttp://www.cancer.gov/cancertopics/types/melanoma
608835
A cancer-causing substance or agent is a carcinogen.
5204
A pimple is a type of skin lesion caused by inflamed and/or obstructed pores. The most common cause of pimples is acne. Excessive secretion of oils from the glands combines with naturally occurring dead skin cells to block the hair follicles. Oil secretions build up beneath the blocked pore, providing a perfect environment for the skin bacteria Propionibacterium acnes to multiply uncontrolled. In response, the skin inflames, producing the visible lesion. The face, chest, back, shoulders and upper arms are especially affected.
301414
no\n\nbecause tattos may cause skin cancer.it is a scientific reality.
161554
the kind that causes cancer
479268
Definitely, get it looked at by a doctor ASAP.  It could be the start of skin cancer which is easily treatable if not left too long.  If left it can spread and be deadly.  Not trying to scare you, but overexposure, particularly burning and lingering coloured spots point to something not right.  Rule it out right away...
583118
it can be nothing, but just in case go and get checked out, it can be melanoma.(skin cancer)
1063571
There are many different kinds of cancer.  The accumulated effects of repeated sunburn/sunexposure can cause skin cancers.  Heavy drinking & alcoholism can cause pancreatic and liver cancers.  Smoking/second-hand smoke can cause lung cancer.  Over-exposure to radiation can cause cancer.  Existing cancers can cause other cancers.  It would take far too long to list all the causes and possible causes.  Some days I feel that everything causes cancer.\n\nAs far as prevention, there's no guarantee that anything you do will prevent it.  But you can reduce the chances.  Eat healthy, reduce or avoid red meat, moderate or no alcohol, don't smoke or linger around second-hand smoke, stay active and exercise.  Stay out of the sun as much as possible and wear sunscreen/block.  Any search on cancer prevention will give a long list of things you should and should not do.  But in the end, if you're genetically programmed to get it....\n\nDon't spend the rest of your life worrying about it.  Use common sense, live a healthy lifestyle and enjoy the life you have.
985163
I'm so glad that it has cleared up for you. It seems the cause may be from bad sunburns, so you may want to be extra careful in the sun from now on.\n\nHere is some information for you about the disease.\n\nIt's described as a 'false skin cancer' that resembles a little volcano. Keratoacanthoma can also look like 'real skin' cancer (squamous cell carcinoma) so it is critical that it be evaluated.\n\nhttp://dermnetnz.org/lesions/keratoacanthoma.html\nhttp://www.umm.edu/imagepages/2308.htm\nhttp://dermnetnz.org/lesions/grzybowski.html
337914
Ultraviolet light is able penetrate through the outer cells of our integument (skin). Doing this exposes the DNA to potential damage. \n\nThe damage that is proposed to be caused by the UV light has changed in recent years. It used to be thought that UV light caused the base pairs to fuse (a base pair refers to the fact that complimentary bases from opposite strands hydrogen bond with one another -- Adenine (A) bonds with Thymine (T); Guanine (G) pairs with Cytosines (C). Howver, it's been recently shown that as sunlight warms our skin, UV photons are absorbed by the bases, causing their electrons to vibrate. These high-energy vibrations nudge the atoms in the bases around. If all goes well, the DNA returns to normal after the energy wave passes. But some of the time, the atoms don't return to their original positions, and new chemical bonds are formed.\n\nScientists know that such accidental bonds create "photolesions" - injuries that prevent DNA from replicating properly. The details of the process aren't fully understood, but studies suggest that photolesions cause genetic mutations that lead to diseases such as sun damage as well as cancer.\n\nBecause skin cells need to replicate often this damage can either slow them down causing skin damage or speed them up to the point of becoming cancerous.
42007
It's a lymphoma type cancer that affects the skin.  (cutaneous = skin).  Here's a site with info on it:\n\nhttp://www.cancerbacup.org.uk/Cancertype/Lymphomanon-Hodgkins/TypesofNHL/CutaneousTcell
464052
Yes, because it keeps you from getting skin cancer. "How?" You ask. You sit in a dark enclosed room for fear that if you go outside someone might realize that you are alive. Paranoia Rawks my sawks awff!
1092690
UV RAYS.  Even if the sun isn't shining it's still out there and can cause skin cancer.
1177025
definitely not, it is the safest way 2 tan your body, sun beds and the sun itself can both cause skin cancer, bring on the st. tropez K
524027
There's a lot of studies that say it causes cancer.  Personally I think everything causes or is said to cause cancer so why worry about it.
155610
It is a fact that when ultraviolet light touches your skin it causes your body to naturally produce vitamin D. Vitamin D has been linked to treat and/or prevent many diseases and conditions. For example, Dr. Holick Professor of Medicine, Dermatology, Physiology, and Biophysics at the Boston University Medical Center has found substantial evidence that the Vitamin D you get from tanning can help with the following diseases and conditions:\n\n    * Breast Cancer\n    * Colon Cancer\n    * Depression (Nonseasonal)\n    * Fybromyalgia\n    * High Blood Pressure\n    * Multiple Sclerosis\n    * Osteomalacia\n    * Osteoporosis\n    * Premenstrual Syndrome (PMS)\n    * Prostate Cancer\n    * Psoriasis\n    * Rheumatoid Arthritis\n    * Seasonal Affective Disorder (SAD)\n    * Type 1 Diabetes\n    * Type 2 Diabetes
196945
Exposure to sunlight can (obviously) cause burns.  Over time, over-exposure can lead to cancer, as harmful solar radiation causes mutations in the DNA of your skin cells.  Sunight can also burn your retinas by being magnified by the lenses within your eyes.  Blindness can occur.\n\nOn the bright side, without sunlight we would all die by freezing to death.  If we could somehow survive that, we would then all die because without the sun, plants could not take carbon dioxide out of the air and create oxygen for us to breathe.  Sunlight is also needed in the production of vitamin D in our bodies.  Strangely, vitamin D helps against overproduction of cells, which is cancer!\n\nSunlight can both create AND prevent cancer!  You gotta love our sun!