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This study suggests that hair loss was a metabolic adaptation allowing hominids to evolve larger brains by alleviating dietary restrictions on essential amino acids for hair and brain development.

This article provides a comprehensive overview of tattoo-related issues for clinicians, covering various aspects such as tattoo types, medical relevance, removal methods, complications, and South African legislation, but reports no new research findings.

This study found that women with acne had higher rates of hyperandrogenism and obesity, and higher androgen levels and BMI were linked to increased acne severity.

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.

In this study, acne severity in females was strongly associated with inflammatory lesion count and moderately associated with androgens, especially DELTA 4 and DHEAS promoting acne and SHBG reducing it.

This article reviews the impact of diet on acne, suggesting that dairy and high-glycemic foods may contribute to acne development, but it presents no new clinical findings.

In this case study, the authors reported a post-bariatric surgery patient who developed acne due to inappropriate vitamin supplementation, emphasizing the need for careful monitoring and education on vitamin use to prevent complications in such patients.

In this study, researchers reported that acne is a complex and chronic skin condition most commonly affecting individuals aged 11 to 30, with more severe cases observed more frequently in men and areas rich in sebaceous glands like the face, back, and chest.

A Western diet may increase acne risk, while a Mediterranean diet and certain supplements can help reduce it.

This study found that daily consumption of soft drinks significantly increases the risk of moderate-to-severe acne in adolescents, particularly if sugar intake from these drinks exceeds 100 grams per day.

Hormones, especially androgens, play a key role in causing acne, and treatments like hormone control pills and hormone-blocking medications can help.

This article reviews the pathogenesis and prevalence of acne, emphasizing that neglecting treatment can lead to permanent scarring and emotional trauma, but presents no new findings.

This article discusses the hormonal mechanisms contributing to acne and suggests dietary changes to reduce these hormones but reports no new clinical results.

This study found that the protein C4BPA may link insulin resistance and acne vulgaris by influencing lipid metabolism and inflammatory pathways, suggesting it as a potential mediator in the pathogenesis of both conditions.

This study found that testosterone and dihydrotestosterone can induce growth factors from dermal fibroblasts, promoting keratinocyte proliferation and differentiation, which may contribute to sex hormone-related acne development.

This study observed that acne was strongly associated with higher BMI, alopecia, menstrual dysfunction, positive familial history, and overuse of sweet and fatty foods among dermatology patients.

This article discusses a proposed molecular mechanism linking dietary factors to acne but reports no new clinical findings.

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

Pubertal acne is linked to hormonal changes, affects quality of life, and is treated similarly to adult acne.

This article reviews the role of IGF-1 in acne pathogenesis and discusses how diet and smoking may influence insulin/IGF-1 signaling, but reports no new clinical results.

This article reviews the complex role of various biological, genetic, and environmental factors in acne pathogenesis and notes no new clinical results.

This review discusses the chronic nature of acne and its association with various systemic diseases, but reports no new clinical findings, highlighting the need for further study on its nutritional or genetic links.

This study identified distinct human and bacterial protein profiles in sebaceous follicular casts, with acne samples showing proteins linked to inflammation and normal samples showing proteins involved in stress protection.

This study found that women with acne and oligomenorrhea have higher levels of biologically active testosterone compared to those with acne and normal menstrual cycles.

This review discusses the role of the mTORC1 pathway in acne pathogenesis in relation to diet and reports no new results.

This study highlights that acne is a common issue for transgender men undergoing testosterone therapy, with management generally following similar guidelines as for cisgender individuals.

This review discusses the pathogenesis and treatment of acne in transgender men on testosterone therapy and reports no new clinical results, emphasizing the need for tailored guidelines.

This article discusses the association of acne with various systemic diseases, emphasizing the role of androgen steroids, insulin resistance, and inflammation in acne pathogenesis, but it reports no new clinical results.

In this study using a rat model, researchers observed that applying topical testosterone led to changes in the skin resembling early acne lesions, indicating a dermatologic risk potentially associated with over-the-counter testosterone products.

This review discusses the hormonal and genetic factors influencing acne development, emphasizing the role of androgens and insulin signaling but reports no new clinical results.