The ultraviolet light provides benefits for some skin

Ultraviolet (UV) – one culprit behind sunburn, wrinkles and skin cancer – has advantages for certain skin diseases, according to the April issue of Mayo Clinic Health Letter.

Several skin treatment ultraviolet are the treatment options for conditions that include:

* Psoriasis;
* Vitiligo loss of pigmentation of the skin that usually appears as white patches on the skin;
* Eczema, also called dermatitis;
* Persistent itching (pruritus);
* The cutaneous T-cell lymphoma, a rare form of cancer that usually affects the skin;
* Anti-graft host disease, a complication associated with blood and bone marrow transplants.

Not fully known ultraviolet light benefits of these diseases of the skin. Maybe, with UV light decreases the proliferation of skin cells and alters the immune system.

The health providers to administer ultraviolet light therapy with a variety of tools. The options range from full-length units such as beds of light for portable lighting. Other tools include light small cabinet for the hands or feet, the light-emitting comb teeth at the scalp, and the laser can focus a beam of high intensity ultraviolet light from a small area.

UVA therapy sessions can last from several seconds to an hour. Consistency is the key to success. Patients may require treatment from two to seven days a week. Dozens of sessions may be necessary to achieve an adequate response. Once the condition has improved, patients may be able to switch to a less frequent maintenance schedule.

Benefits aside, the long-term UV treatment continues to present an increased risk of skin cancer. As with any treatment, potential benefits must be weighed against potential risks. Fortunately, skin cancers can usually be removed and successfully treated when detected early.