54 citations
,
September 1972 in “British journal of nutrition” Malnutrition severely harms growth and development in young baboons.
18 citations
,
January 2004 in “Dermatologic Clinics” This article discusses nutritional contributions to hair health and highlights the need for identifying risk factors for deficiencies but reports no new clinical findings.
22 citations
,
January 2012 in “Obstetrics and Gynecology International” In this study of Bulgarian women, the waist-to-stature ratio was a better marker for an unfavorable metabolic profile than the waist-to-hip ratio among those with PCOS and obesity.
64 citations
,
August 1999 in “The American journal of medicine” This study found that while a transscrotal testosterone patch increases serum testosterone levels in hypogonadal men with AIDS and weight loss, it does not improve weight, body cell mass, or quality of life.
This review highlights concerns about dermatological side effects linked to rapid weight loss from glucagon-like peptide-1 receptor agonists used for type 2 diabetes and obesity treatment, such as skin laxity, decreased collagen, and hair loss, emphasizing the importance of managing these while retaining metabolic benefits.
December 2025 in “Obesity Surgery” In this study, researchers found that patients undergoing one-anastomosis gastric bypass experienced a greater incidence of low serum zinc levels and related symptoms, such as hair loss and delayed wound healing, compared to those undergoing sleeve gastrectomy.
May 2021 in “Journal of the Endocrine Society” In this case report, an 18-year-old Vietnamese female with primary amenorrhea and normal female phenotype was most likely diagnosed with müllerian agenesis, highlighting its association with embryologic underdevelopment of the müllerian duct.
26 citations
,
June 2014 in “Fertility and Sterility” In this study, normal weight adolescents with PCOS showed increased insulin resistance and significantly lower levels of high molecular weight adiponectin compared to controls, despite no other metabolic differences.
1 citations
,
May 2023 in “Reports of Vinnytsia National Medical University” This study reviewed literature from 2013 to 2023 on anthropometric indicators and alopecia, finding significant correlations with weight, BMI, and waist circumference linked to alopecia's sexual dimorphism. The authors suggest anthropometric studies in Ukrainians with alopecia could help predict disease risk and progression.
October 2024 in “Clinical Chemistry” In this study, physicians diagnosed a 3-year-old with scurvy due to severe vitamin C deficiency, influenced by a vegan diet and potential early-stage celiac disease; after treatment with vitamin C supplementation, her condition rapidly improved, highlighting the importance of dietary considerations in pediatric health.
January 2023 in “Voennaâ medicina” This case study illustrates the successful treatment of chronic diffuse telogen effluvium in a young woman attributed to latent iron deficiency and emphasizes the importance of comprehensive assessment in similar cases.
3 citations
,
August 2022 in “Cutis” This review reports that nail changes such as onycholysis, thin nails, and brittleness are associated with thyroid disorders, highlighting their importance in the early diagnosis of these conditions.
46 citations
,
April 1971 in “American Journal of Clinical Nutrition” Lack of protein causes hair root damage, but it can be reversed by eating protein again.
December 2025 in “PubMed” In this study, researchers found that adolescent alopecia is significantly prevalent, especially among females, and is associated with iron deficiency, highlighting the need for nutritional monitoring in this group.
January 2014 in “Hair transplant forum international” In this study, a higher body mass index was associated with more severe alopecia in men with male-pattern androgenetic alopecia in Taiwan.
February 2026 in “British Journal of Sports Medicine” Transgender women have similar fitness to cisgender women, while transgender men have higher fat and lower strength than cisgender men; hormone therapy affects body composition and strength.
January 2016 in “International Journal of Research in Medical Sciences” This study found a strong association between chronic telogen effluvium and low levels of hemoglobin, serum ferritin, and thyroid hormones in premenopausal Indian women, with stress also playing a significant role.
October 2025 in “Journal of the Endocrine Society” The researchers reported that individuals with non-alcoholic fatty liver disease and nutritional deficiency often exhibit iron and estrogen deficiencies, which may contribute to liver cell stress and fibrosis.
5 citations
,
January 2012 in “Psychology” This study observed that individuals with major unipolar depression have higher levels of sodium and potassium in their hair and decreased antidiuretic hormone levels, similar to changes seen in astronauts after space missions.
53 citations
,
June 1977 in “Lancet” In this study, jaw wiring led to significant weight loss in patients with severe obesity, but two-thirds regained weight after the wires were removed.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” This study reports a rare case of two siblings with lipoedematous scalp, suggesting a possible genetic link that warrants further investigation.
11 citations
,
May 2020 in “Frontiers in psychiatry” This study found that experiencing childhood abuse is associated with higher BMI, but hair cortisol and cortisone do not mediate this relationship.
1 citations
,
December 2021 in “Cureus” This study observed that, among women with PCOS, overweight and obese individuals showed a higher prevalence of skin manifestations, with a significant association found between acne and BMI.
66 citations
,
November 1997 in “Nutrition” This study found that while micronutrient abnormalities are common among patients receiving home parenteral nutrition, serious consequences from these abnormalities are rare.
70 citations
,
June 2010 in “Clinics in Dermatology” 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.
11 citations
,
September 2010 in “PubMed” This study reports zinc and biotin deficiencies leading to hair loss and skin issues in a teenager after pancreaticoduodenectomy, highlighting the need for supplementation to prevent long-term damage.
January 2021 in “Biomedical Research-tokyo” This article highlights the prevalence of iron deficiency, with or without anemia, as a significant factor in diffuse nonscarring hair loss in women, particularly affecting certain groups such as menstruating women and vegetarians.
October 2022 in “Egyptian Journal of Health Care” This study found that more than half of female nursing students in Cairo with iron deficiency anemia demonstrated poor knowledge and inadequate practices regarding iron-rich food consumption.
35 citations
,
April 2014 in “Journal of proteomics” In this study, experimentally induced weight loss in merino sheep led to a decrease in wool fiber diameter and increased expression of certain high sulfur and glycine-tyrosine proteins, potentially impacting wool quality and industry preferences.
4 citations
,
March 2021 in “International Journal of Environmental Research and Public Health” This study found that women with polycystic ovary syndrome have higher body mass index, fat mass percentage, and skinfold thickness compared to women without PCOS.