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Related Concept Videos

Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

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The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
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Pigmentation01:19

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The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
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Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

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A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
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Skin Cancer01:30

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Role of Skin in Vitamin D Synthesis01:23

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The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
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At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
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Related Experiment Video

Updated: Aug 29, 2025

In Vivo Investigation of Antimicrobial Blue Light Therapy for Multidrug-resistant Acinetobacter baumannii Burn Infections Using Bioluminescence Imaging
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Blue Light and Skin Health.

Amy Ramser, Angela Casey

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    This summary is machine-generated.

    Blue light from digital devices can impact skin health, potentially causing pigmentation and damage. Protecting your skin with sunscreens and antioxidants is recommended to mitigate these effects.

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    Area of Science:

    • Dermatology and Photobiology
    • Skin Health and Visible Light Exposure

    Background:

    • Increased screen time, especially during the COVID-19 pandemic, has heightened concerns about artificial light exposure.
    • Patients frequently inquire about the dermatological effects of light emitted from electronic devices.
    • A comprehensive understanding of blue light's role in skin health is crucial for dermatologists.

    Purpose of the Study:

    • To review the scientific literature on blue light and its specific effects on human skin.
    • To elucidate the mechanisms by which blue light influences skin pigmentation and causes damage.
    • To identify and discuss protective measures against visible light, including blue light.

    Main Methods:

    • Comprehensive literature review on blue light and skin.
    • Analysis of studies investigating blue light's impact on skin pigmentation and damage.
    • Review of current recommendations for visible light protection.

    Main Results:

    • Blue light exposure from digital devices has a demonstrable impact on skin.
    • Blue light contributes to skin pigmentation and can induce cellular damage.
    • Sunscreens and antioxidants are identified as key components in visible light protection strategies.

    Conclusions:

    • Educating patients on the effects of blue light and protective measures is essential.
    • Visible light protection, including from blue light, should be an integral part of dermatological advice.
    • Further research into blue light's long-term dermatological effects and optimal protection strategies is warranted.