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This study identified specific genes that are more abundantly expressed in black hair than in gray hair, with black hair displaying higher expression of pigment-related proteins and gray hair showing increased expression of keratin-related genes.

This paper reviews genome-based personalized medicine developments using Web services for analyzing SNPs in reproductive potential but reports no new clinical findings.

In this randomized trial, lupus patients taking daily 200 μg selenium supplements for eight weeks showed significant improvements in metabolic markers like CRP, ESR, MDA, and GPX, as well as reduced clinical symptoms such as arthritis and alopecia, compared to those receiving a placebo.

This review discusses molecular signaling pathways and nutritional factors influencing feather growth and regeneration in poultry and offers no new results; the authors suggest these insights may guide strategies for producing superior plumage.

This study found that certain dietary changes, such as a low glycemic load diet for men and specific supplements for women, may improve acne, while chocolate, whey proteins, and dairy products are linked to worsened symptoms in both genders.

This article addresses the need to screen for nutrient deficiencies in patients with hair loss but reports no new findings, noting that supplementation without deficiency may not be beneficial and could pose risks.

This review discusses how changes in hair and skin may indicate underlying vitamin deficiencies and emphasizes the need to identify populations at risk for these deficiencies; it reports no new results.

Eating a balanced diet with specific nutrients can help manage menopause symptoms and prevent related health issues.

This review discusses the role of diet in managing hair loss during menopause and reports no new clinical results; it highlights the importance of nutrients like sulfur amino acids, vitamins, and minerals.

This study aimed to investigate the effects of antioxidant therapy on skin aging in MetS patients in Latvia but provides no new findings on its effectiveness.

This study found that an 8-week supplementation with specific probiotic strains improved hormonal markers and oxidative stress while decreasing inflammation in women with PCOS, although clinical symptoms like acne and hirsutism showed no significant improvement compared to the placebo group.

This study found that the Pseudomonas sp. T5-6-I strain significantly increased selenium accumulation and root hair density in Brassica oleracea, highlighting its potential for phytoremediation and biofortification.

This study found that an imbalance of selenium in a C57BL/6 mouse model led to hair loss with color change and was linked with changes in hair follicle apoptosis markers.

This consensus paper reviews expert opinions on treating telogen effluvium but reports no new clinical findings.

In this study, selenium-rich diets enhanced antioxidant activity in aged mice, suggesting potential biological benefits, although further trials are needed to fully understand long-term risks and benefits.

This case report found that two women developed toxic selenium levels after consuming paradise nuts, resulting in symptoms like massive hair loss and nail discoloration.

This study used proteomic techniques to analyze human hair proteins, revealing keratin heterogeneity and identifying posttranslational modifications, such as cysteine trioxidation and methylation.

This systematic review found insufficient evidence to support protective effects of selenium on polycystic ovary syndrome complications, despite some studies suggesting it may reduce insulin resistance and dyslipidemia.

This research highlights selenium's critical roles in various biological processes and underscores the potential health impacts of both its deficiency and excess, including increased mortality risk, poor immune function, and neurological issues.

This study concluded that selenium supplementation for ovarian cancer patients during chemotherapy may have several beneficial effects, such as increased antioxidant enzyme activity, reduced chemotherapy-related symptoms, and higher selenium levels in serum and hair.

This study found that maternal Nano-Se supplementation in cashmere goats improved antioxidant status and promoted secondary hair follicle development in fetuses at 110 days.

This review discusses the effects of dietary protein and its components on cholesterol, essential fatty acids, and possible health consequences, but presents no new clinical findings.

This review discusses the role of Nutrease powder in managing hormonal disturbances in polycystic ovary syndrome and reports no new clinical results.

This article discusses how nutritional and environmental factors, along with antioxidant supplementation, may improve hair growth by mitigating the effects of androgens and reports no new clinical results.

This review discusses how nutritional and lifestyle modifications, including antioxidant use, may enhance hair growth and prevent hair loss without the need for Finasteride, but provides no new clinical findings.

This study found considerable variation in hair shaft proteomic profiles among Caucasian, African-American, Kenyan, and Korean subjects, with individual and site-specific differences observed.

This study used proteomic profiling to reveal significant individual and site-specific differences in human hair shaft proteins, which may improve the differentiation of hair based on ethnic origin and individual identity.

This review discusses androgen manipulation strategies for conditions like benign prostatic hyperplasia and prostatic carcinoma but reports no new clinical results.

This review summarizes the potential of N-acetyl-cysteine in managing diseases linked to redox imbalance, discussing its effects from cellular mechanisms to clinical applications, though further research is suggested for broader use.

This review discusses zinc's role as an essential trace element in human nutrition, particularly its importance in total parenteral nutrition, and reports no new clinical results.