December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
8 citations
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August 1971 in “Canadian Journal of Zoology” Chinchillas have specific blood and protein levels, with variations possibly linked to pregnancy or hair growth.
18 citations
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November 2016 in “Neuromuscular Disorders” Patients with myotonic dystrophy often have skin problems that suggest early aging and vitamin D issues, and the severity of these problems is linked to their genetic condition and vitamin D levels.
November 2023 in “Biomolecules” The research showed that Vitamin D and its receptor are important for healthy bones and normal hair and skin in rats.
6 citations
,
June 2017 in “Reproductive Biomedicine Online” Chinese women with PCOS have higher androgen levels, which change with age and weight.
66 citations
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May 2014 in “Conservation Physiology” Grizzly and black bears have different stress and hormone responses to salmon availability, influenced by nutrition and social competition.
5 citations
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July 2022 in “Radiation Research” The mouse model helps study and develop treatments for radiation-induced saliva reduction.
1 citations
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January 2021 in “Journal of biological chemistry/The Journal of biological chemistry” FLCN helps control iron levels in cells.
December 2018 in “Journal of Patan Academy of Health Sciences” Many Chinese patients lose hair after weight loss surgery, especially women, and taking iron and zinc on their own doesn't help.
7 citations
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January 1995 in “Journal American Society of Mining and Reclamation” Excess selenium and sulfur in plants can harm animals, causing symptoms like hair loss and poor reproduction.
February 2024 in “Agroèkoinfo” Environmental factors and grain products affect hair loss, with low cobalt in hair possibly predicting the condition.
5 citations
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January 1961 in “PubMed” Cholesterol and phospholipids increase in mouse skin during cancer development, with differences between male and female skin.
October 2020 in “The American Journal of Gastroenterology” Early diagnosis and treatment of hereditary hemochromatosis can prevent serious complications.
35 citations
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January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
October 2022 in “The Journal of Clinical Pharmacology” Men with early-onset hair loss have less cardiometabolic benefit from bromocriptine.
1 citations
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January 2011 Thorough evaluation and lab tests are crucial for understanding hair loss causes.
57 citations
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January 2004 in “Journal of Radiation Research” Zinc sulphate may help reduce skin damage from radiation therapy.
2 citations
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May 1981 in “Journal of Animal Science” Hair mineral analysis is not very useful for assessing overall mineral composition in animals.
3 citations
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July 2005 in “DOAJ (DOAJ: Directory of Open Access Journals)” Selenosis in calves causes health issues and changes in blood parameters.
January 1990 in “Advances in behavioral biology”
January 2019 in “Kocaeli tıp dergisi” People with chronic hair loss may have a higher chance of Vitamin B12 deficiency.
July 2022 in “Clinical dermatology review” Most patients with chronic kidney disease had skin issues like paleness and dry skin, and treating these can improve their lives.
67 citations
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September 2017 in “Cell Reports” Caloric restriction improves skin and fur structure but can cause muscle loss and movement issues.
January 1987 in “Toxicological sciences” SMR-2 and SMR-6 are much more toxic than retinoic acid, causing severe symptoms and organ damage in mice.
August 2025 in “Japan Journal of Clinical & Medical Research” Many people in Misurata City have low vitamin D, especially women and those aged 35-45, with levels dropping in winter and spring.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
August 2024 in “Journal of Biomedical Research & Environmental Sciences” Low SHBG levels are linked to negative health outcomes and should be used in assessing and managing health conditions.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
71 citations
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August 2019 in “The journal of sexual medicine” Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.
January 2017 in “Springer eBooks” Eating a balanced diet with specific nutrients can help manage menopause symptoms and prevent related health issues.