April 2023 in “Journal of Investigative Dermatology” This study reported that urban pollution accelerates facial wrinkle development and increases pigmentation severity in Chinese women over 30, whereas UV exposure affects these signs from age 20. After 45, pollution becomes a key contributor to skin aging.
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January 2011 in “Turkish Journal of Medical Sciences” This study found that iron deficiency anemia is a key factor in the development of telogen effluvium, and higher 25-hydroxyvitamin D3 levels in TE patients may be linked to increased UV exposure.
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March 2022 in “IntechOpen eBooks” This article reviews the functions and locations of skin stem cells and their role in regeneration and differentiation, relating age-associated skin changes to decreased stem cell functionality; it reports no new experimental findings.
April 2023 in “Authorea (Authorea)” This case report describes the presentation of a 32-year-old Iranian immunocompetent female diagnosed with Merkel Cell Carcinoma, highlighting the importance of early diagnosis and management to mitigate complications.
October 2022 in “Frontiers in Cell and Developmental Biology” Aging skin is affected by inflammation, reduced stem cell function, and slower wound healing.