July 2023 in “Dermatology practical & conceptual” In this study, hemoglobin levels were the only marker positively correlated with anagen hair ratios in patients with telogen effluvium, suggesting it may be a cost-effective initial test for management.
25 citations
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January 2017 in “International Journal of Trichology” This study found that nutritional deficiencies, particularly in amino acids and certain micronutrients, are common in individuals with hair loss across all types of alopecia.
98 citations
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October 2012 in “Dermatologic Clinics” This article reviews the impact of nutritional deficiencies on hair health, detailing how they can cause structural abnormalities, pigmentation changes, or hair loss; it presents no new clinical findings.
January 2024 in “İstanbul Kuzey Klinikleri” This study found that low ferritin levels are associated with higher telogen ratios in women with diffuse hair loss, suggesting an important role of ferritin in telogen effluvium diagnosis.
47 citations
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July 1967 in “Science” This study observed morphological changes in scalp hair follicles of humans deprived of protein for 15 days, which suggests potential use in diagnosing protein-calorie malnutrition.