October 2011 in “Dermato-endocrinology” Hormones significantly affect skin health, with vitamin D playing a key role.
April 1963 in “Archives of Dermatology” Dermatological conditions are complex and treatments often have mixed results.
30 citations,
July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.
Newer retinoid drugs are effective for skin conditions but have significant side effects.
78 citations,
November 2008 in “Fertility and Sterility” Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.
50 citations,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
38 citations,
October 2006 in “Fertility and Sterility” The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.
33 citations,
September 2017 in “Journal of clinical immunology” New treatments for immune disorders caused by FOXN1 deficiency are promising.
21 citations,
September 2004 in “Fertility and Sterility” Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.
19 citations,
April 2015 in “Developmental Dynamics” The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.
18 citations,
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.
17 citations,
March 2006 in “Journal of Cosmetic Dermatology” Hormonal changes during and after pregnancy can cause hair growth changes and hair loss, with treatments available for some conditions.
13 citations,
July 2004 in “Skinmed” Common types of non-scarring hair loss have various causes and treatments, but more effective solutions are needed.
3 citations,
December 2016 in “Journal of epidemiological research” Estrogen and androgenic hair increase melanoma risk, especially in European-ancestry individuals.
2 citations,
September 2018 in “Tissue Engineering Part A” Xeno-free three-dimensional stem cell masses are safe and effective for improving blood flow and tissue repair in limb ischemia.
1 citations,
November 2015 in “Indian Journal of Clinical Biochemistry” The conference presented findings on how vitamin D levels, genetic factors, and lifestyle choices like smoking and yoga affect various health conditions and diseases.
37 citations,
October 2021 in “Nutrients” Vitamin D might help regulate insulin in the body, but taking Vitamin D supplements doesn't clearly prevent or improve type 2 diabetes. More research is needed.
15 citations,
March 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” As skin cells mature, vitamin D receptor levels decrease while retinoid X receptor α levels increase.
1 citations,
June 2023 in “Nutrients” Vitamin D deficiency is linked to a higher chance of metabolic syndrome in women with PCOS.
26 citations,
December 2006 in “Endocrinology” A cream with a specific hormone blocker increases hair growth in mice.
9 citations,
July 2014 in “Experimental Dermatology” PTHRP agonists can stimulate hair growth, especially in damaged follicles, while antagonists may initially increase growth but ultimately inhibit it.
January 2024 in “JCEM case reports” This is the first known case of parathyroid cancer in a patient with Birt Hogg Dube Syndrome.
January 2015 in “Journal of clinical & experimental dermatology research” A protein combining parathyroid hormone and collagen helped hair regrow in mice with a hair loss condition.
82 citations,
April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
40 citations,
April 2013 in “Dermato-endocrinology” People with chronic Alopecia Areata often have lower vitamin D levels.
9 citations,
July 1961 in “Journal of Investigative Dermatology” Cutaneous calcinosis can be induced in young animals using certain compounds, but only in specific areas and with high mortality.
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.
The PTH-CBD injection improved hair regrowth better than the daily ruxolitinib pill in mice.
August 2022 in “JAAD case reports” A woman with a long-term skin condition developed a serious skin cancer that led to her death.