can uvb light therapy cause cancer?
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Regular exposure to UV light increases the risk of skin cancer. There is some evidence that PUVA therapy with psoralen tablets in particular increases the risk of non-melanoma skin cancer. The higher the dose of radiation used and the more light therapy sessions you have, the greater the risk.
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UV light clears up acne, but it can also damage the skin and cause cancer. Today, doctors don't use UV light to treat acne. Instead, they use certain wavelengths of blue or red light. Blue and red light therapy kills acne-causing bacteria without damaging the skin.
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Prolonged exposure to ultraviolet radiation from the sun can lead to melanoma and other skin malignancies. Clear evidence establishes ultraviolet radiation, especially the non-ionizing medium wave UVB, as the cause of most non-melanoma skin cancers, which are the most common forms of cancer in the world.
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Unprotected exposure to UVA and UVB damages the DNA in skin cells, producing genetic defects, or mutations, that can lead to skin cancer (as well as premature aging.) These rays can also cause eye damage, including cataracts and eyelid cancers.
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This is important, because ultraviolet radiation can cause cells to become cancerous. We should wear UV blocking sunscreen on sunny days to avoid skin cancer. Overexposure of our eyes to ultraviolet radiation can cause blindness, so we should wear hats and sunglasses on sunny days.
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The short time under LED lamps, even for frequent visitors, isn't enough to increase the risk of skin cancer. The Atlantic reported that low dosages of UV exposure for a few short minutes to a tiny part of the body are nowhere near enough to raise concern.
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One study found that broadband UVB phototherapy was superior to NB-UVB in treating vitiligo, which suggests that tanning beds would also be effective [45]. Sun exposure induces repigmentation of vitiligo lesions during the summer in many patients [46].
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Damage from UV exposure is cumulative and increases your skin cancer risk over time. While your body can repair some of the DNA damage in skin cells, it can't repair all of it. The unrepaired damage builds up over time and triggers mutations that cause skin cells to multiply rapidly. That can lead to malignant tumors.
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People who have this cancer frequently have light hair, eyes, and complexions, and they do not tan easily. Other risk factors for basal cell carcinoma include: Excess exposure to UV radiation (sunlight or tanning beds) Older age.
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Some light therapy lamps are designed for skin disorders — not for SAD. Lamps used for skin disorders primarily emit ultraviolet (UV) light and could damage your eyes if used incorrectly. Light boxes used to treat SAD should filter out most or all UV light.
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UVB rays have slightly more energy than UVA rays. They can damage the DNA in skin cells directly, and are the main rays that cause sunburns. They are also thought to cause most skin cancers.
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It's likely that a combination of factors, including environmental and genetic factors, causes melanoma. Still, doctors believe exposure to ultraviolet (UV) radiation from the sun and from tanning lamps and beds is the leading cause of melanoma.
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Light therapy for skin disorders uses a lamp that emits ultraviolet (UV) light. This type of light should be filtered out in light therapy boxes used for SAD and other conditions because it can damage your eyes and skin.
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Both UVA and UVB rays are capable of damaging your skin. UVA rays can penetrate your skin more deeply and cause your skin cells to age prematurely. ... The other 5 percent of UV rays are UVB. They have higher energy levels than UVA rays, and typically damage the outermost layers of your skin, causing sunburn.
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UVB phototherapy Ultraviolet B, which is present in natural sunlight, is an effective treatment for psoriasis. UVB penetrates the skin and slows the growth of affected skin cells. Treatment involves exposing the skin to an artificial UVB light source for a set length of time on a regular schedule.
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There is no evidence that tanning causes breast cancer, although there is plenty stating that it causes skin cancer. According to the Canadian and American Cancer Societies, tanning is not safe for your skin – indoors or outdoors because of exposure to harmful UV rays.
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Exposure to UV radiation can cause damage to your skin, especially if you're exposed over time. For example, it can lead to premature wrinkles, age spots, and even skin cancer. But the FDA views nail curing lamps as low risk when used as directed by the label.