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  2. Melasma - Wikipedia

    en.wikipedia.org/wiki/Melasma

    Melasma (also known as chloasma faciei, [1]: 854 or the mask of pregnancy [2] when present in pregnant women) is a tan or dark skin discoloration. Melasma is thought to be caused by sun exposure, genetic predisposition, hormone changes, and skin irritation. [ 3 ]

  3. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    Short-term over-exposure can cause snow blindness, which is analogous to sunburn of the cornea, or can cause solar retinopathy, which is long-lasting retinal damage and vision impairment from sungazing. [52] [53] Frequent exposure to the sun can cause yellow non-cancerous bumps on the middle part of the sclera of the eye, called pingueculae. It ...

  4. Human skin color - Wikipedia

    en.wikipedia.org/wiki/Human_skin_color

    This is an accepted version of this page This is the latest accepted revision, reviewed on 10 December 2024. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...

  5. This Chronic Skin Condition Is A Common Cause Of Dark ... - AOL

    www.aol.com/chronic-skin-condition-common-cause...

    During this process, a lamp that uses long-wave ultraviolet (UV) light will make certain cells show color or appear fluorescent, according to the Cleveland Clinic. Doctors also take time during ...

  6. What dermatologists want you to know about sun exposure

    www.aol.com/lifestyle/2015-07-22-what...

    That's for old people.'" While skin cancers generally develop after 10 years of sun exposure, Robinson says she's treated patients as young as 15 years old for melanoma - a deadly form of skin cancer.

  7. Extreme heat exposure associated with a higher risk of severe ...

    www.aol.com/lifestyle/extreme-heat-exposure...

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  8. Polymorphous light eruption - Wikipedia

    en.wikipedia.org/wiki/Polymorphous_light_eruption

    Recurring yearly, the eruption can sometimes last longer than a few days if persistent and repeated sun exposure occurs. [2] However, the "hardening" effect, with respite during the later summer, frequently occurs with gradual exposure of sunlight, [5] eventually leading to significant improvement. [2]

  9. Why we need vitamin D — and sun exposure isn't the only way ...

    www.aol.com/lifestyle/why-vitamin-d-sun-exposure...

    It’s not an excuse to get more sun exposure. Low vitamin D doesn’t give you a free pass to a day of sun tanning. “Some research suggests that five to 30 minutes of midday sun exposure ...