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Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [1] and possibly inhibiting the growth of some ...
11 de oct. de 2016 · For thousands of years humans have understood that sunlight has an important and significant impact on human health and disease. Sunlight is composed of three major wavelength bands: visible light (wavelengths of 400–800 nm); UVR (wavelength of 100–400 nm); and, infrared radiation (wavelengths > 800 nm).
21 de jun. de 2022 · Acute effects of UVR include DNA damage, sunburn, phototoxic and photoallergic reactions, and suppression of the immune system. Immunosuppression can be considered as a risk factor for cancer and can cause reactivation of viruses (e.g. cold sores in the lip).
19 de oct. de 2016 · This review considers the studies that have shown a wide range health benefits from sun/UV exposure. These benefits include among others various types of cancer, cardiovascular disease, Alzheimer disease/dementia, myopia and macular degeneration, diabetes and multiple sclerosis.
1 de abr. de 2008 · Both forms can damage collagen fibers, destroy vitamin A in skin, accelerate aging of the skin, and increase the risk of skin cancers. Excessive sun exposure can also cause cataracts and diseases aggravated by UVR-induced immunosuppression such as reactivation of some latent viruses.
Sun safety for the entire family. Everybody needs some sun exposure to produce vitamin D (which helps calcium absorption for stronger and healthier bones). But unprotected exposure to the sun's ultraviolet (UV) rays can cause damage to the skin, eyes, and immune system. It can also cause cancer.
16 de oct. de 2017 · Radiation: The known health effects of ultraviolet radiation. 16 October 2017 | Q&A. Do UVA and UVB affect the body in different ways? Are there beneficial effects of UV radiation? What are the effects of UV on the skin? What are the effects of UV on the eye? Does UV interact with the immune system?
