August 2024 in “Journal of Research in Clinical Medicine” COVID-19 can cause various skin issues, with some linked to how severe the illness is.
March 2024 in “Asian Journal of Advanced Research and Reports” Smoking and alcohol are linked to early hair graying.
October 2022 in “JAAD international” Most patients with autoimmune blistering diseases experienced some hair loss, which may be underreported and linked to disease severity.
3 citations
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January 2017 in “Indian journal of health sciences and biomedical research KLEU” Low iron levels are significantly linked to hair loss in women.
May 2026 in “International Journal of Dermatology” Higher levels of 3α-diol G are linked to more severe female pattern hair loss.
December 2025 in “IP Indian Journal of Clinical and Experimental Dermatology” Androgenetic alopecia in males is linked to significant psychological distress, highlighting the need for both mental and dermatological care.
December 2025 in “Cureus” Higher IL-17A and IL-23 levels are linked to alopecia areata severity and could help in tracking and treating the disease.
December 2025 in “PubMed” Iron deficiency is linked to hair loss in adolescents, especially females, in northern Sudan.
December 2025 in “PubMed” Iron deficiency is linked to hair loss in adolescents, especially females, in northern Sudan.
February 2025 in “PLoS ONE” Androgenetic alopecia starts earlier in males than females, with different treatments, and is linked to income, education, alcohol use, and mental health.
January 2025 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Iron deficiency is linked to hair loss in adolescents, especially females, in northern Sudan.
October 2023 in “ANNALS OF PAKISTAN MEDICAL & ALLIED PROFESSIONALS” Insulin resistance is strongly linked to higher androgen levels in women with PCOS.
January 2021 in “Türkiye klinikleri dermatoloji dergisi” Eyebrow loss in frontal fibrosing alopecia is common and may be linked to other health issues.
May 2020 in “Fertility and Sterility” Nonobese, normotensive Indian women with PCOS may have a higher risk of heart problems linked to inflammation and insulin resistance.
41 citations
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January 2012 in “Journal of Korean Medical Science” Over 60% of Korean military personnel had skin diseases, commonly acne and athlete's foot, linked to service length and stress.
1 citations
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May 2017 in “InTech eBooks” Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.
November 2023 in “PubMed” Men with COVID-19 have different hormone levels linked to disease severity.
January 2023 in “Yādgār.” COVID-19 vaccines are linked to menstrual changes in many women.
Greater concern about hair loss is linked to more severe hair loss and worse quality of life.
July 2025 in “Ecotoxicology and Environmental Safety” Higher levels of molybdenum and lead in hair are linked to increased cholesterol and dyslipidemia risk.
December 2021 in “Indian Journal of Dermatology, Venereology and Leprology” Men with androgenetic alopecia, or hair loss, often have abnormal blood flow in their small blood vessels, which might be linked to inflammation and stress.
3 citations
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April 2022 in “Biomolecules” Higher miR-34a levels and the A variant of the MIR-34A gene are linked to increased risk and severity of alopecia areata.
February 2026 in “Journal of Clinical Research in Pediatric Endocrinology” Children with Turner Syndrome often have skin, hair, and nail issues linked to hormonal problems, so regular skin checks are recommended.
October 2024 in “Journal of Cosmetic Dermatology” Over half of young people in Saudi Arabia experience early gray hair, linked to factors like smoking, stress, and family history.
February 2024 in “Curēus” Long COVID is more common in those with severe initial infections, but not linked to blood group.
37 citations
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February 2017 in “Anais Brasileiros De Dermatologia” AGA more common in men, increases with age, linked to family history, hypertension, dyslipidemia, and smoking.
2 citations
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March 2023 in “Journal of Nepal Medical Association” Many young medical students have early grey hair, especially males, often linked to family history.
January 2025 in “Medicina” 25% of women in North Sudan have traction alopecia, linked to family history and hair treatments, highlighting the need for better hair care awareness.
December 2022 in “The Indian journal of chest diseases & allied sciences” Women with PCOS often have sleep problems, including sleep apnea, which are linked to obesity and depression.
4 citations
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June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.