August 2008 in “European Neuropsychopharmacology” Some teenagers with anorexia nervosa have worse cognitive abilities, especially in visual and spatial tasks, and this is more common in those with a lower body weight.
30 citations,
January 2023 in “EFSA journal” Adults should not consume more than 255 micrograms of selenium per day to avoid risk of hair loss and other side effects.
111 citations,
April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
30 citations,
October 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” Thyroid hormones are important for skin health and might help treat skin diseases, but more research is needed to understand their effects fully.
13 citations,
July 2018 in “General and comparative endocrinology” Thyroid hormones and androgens affect gene expression in frog reproductive organs differently between males and females.
6 citations,
January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.
2 citations,
June 2014 in “مجلة مركز بحوث التقنيات الاحيائية” Five different TPO gene mutations were found in PCOS patients with thyroid hormone issues.
21 citations,
February 2021 in “Frontiers in Endocrinology” Hormones affect prostate health and disease, with certain hormone imbalances linked to prostate cancer and benign prostatic hyperplasia.
5 citations,
September 2021 in “Journal of cosmetic dermatology” People with alopecia areata often have abnormal thyroid hormones, thyroid antibodies, antinuclear antibodies, low vitamin D, and high C-reactive protein levels.
1 citations,
October 2023 in “Biology” Fasting in hens affects thyroid hormones, which regulate feather and hair growth.
2 citations,
August 2016 in “Surgery for obesity and related diseases” TSH is not reliable for detecting hypothyroidism after bariatric surgery; FT3/rT3 ratio is better.
1 citations,
January 2018 in “Indian Journal of Dermatology/Indian journal of dermatology” Retinoids might cause temporary hyperthyroidism in some patients.
May 2022 in “Endocrine practice” High-dose biotin can cause false thyroid test results; stop taking biotin two days before testing to avoid errors.
January 2013 in “Psychiatry and clinical neurosciences” Physical symptoms in depression can reveal underlying medical conditions.
51 citations,
May 1996 in “American journal of physiology. Regulatory, integrative and comparative physiology/American journal of physiology. Regulatory, integrative, and comparative physiology” Gray seals use more energy and have higher hormone levels during their annual fur-shedding period.
9 citations,
March 2000 in “PubMed” Most women in the study lost hair due to stress, fever, childbirth, surgery, or thyroid issues, with low hemoglobin levels also common.
7 citations,
January 2011 in “Veterinary Pathology” A horse with severe hair loss was diagnosed with alopecia areata and a yeast infection.
6 citations,
January 2015 in “Indian Dermatology Online Journal” Too much levothyroxine can cause hair loss in infants.
2 citations,
December 2018 in “International journal of current microbiology and applied sciences” The dog recovered from hypothyroidism and regrew its hair after two months of treatment.
January 2021 in “Acta Scientiae Veterinariae” Levothyroxine effectively treated a dog's skin and hair problems caused by hypothyroidism.
November 2022 in “Journal of the Endocrine Society” Marijuana use may be linked to lower TSH levels, but the exact cause is unclear.
29 citations,
September 1983 in “British Journal of Dermatology” Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
24 citations,
July 2011 in “PubMed” Thyroid hormones affect skin texture, hair and nail growth, and can cause skin diseases related to thyroid problems.
January 2008 in “Springer eBooks” Thyroid hormone may be useful for treating various skin conditions and needs more research.
60 citations,
April 2010 in “General and Comparative Endocrinology” Fadrozole and finasteride change gene expression related to sex hormones and thyroid hormones in frog larvae development.
44 citations,
July 2011 in “Dermato-endocrinology” Thyroid hormone affects skin health, with too little causing rough, pale skin and too much leading to smooth, thin skin, and may also impact wound healing and skin conditions.
26 citations,
February 1998 in “Chemico-Biological Interactions” Scientists identified three genes important for processing certain brain chemicals, thyroid hormones, and medications.
24 citations,
May 2010 in “Hautarzt” Different hormones affect hair growth and conditions, with some causing hair loss and others promoting it.
9 citations,
July 2020 in “Experimental Dermatology” Topical L-thyroxine may help with wound healing and hair growth but should be used short-term due to potential risks.
January 2017 in “Clinical & medical biochemistry” Certain gene variations in AKT2 are more common in women with PCOS and are linked to higher levels of specific hormones and symptoms.