6 citations
,
July 2016 in “The anatomical record” Dogs have varying numbers of touch-sensitive Merkel cells in different skin areas, with most in the oral mucosa and facial skin, unrelated to age, sex, breed, or color.
3 citations
,
June 1981 in “PubMed” Taking hormonal contraceptives can cause skin changes, including hair loss, due to the effects of synthetic sex hormones.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
July 2021 in “Clinical Medicine” Sexually transmitted infections and HIV should be considered as possible causes of chronic diarrhea, especially in men who have sex with men.
May 2019 in “Journal of Investigative Dermatology” Merkel cell carcinoma is most likely to recur within two years of diagnosis, and factors like immune suppression, being over 75, and male sex increase this risk.
July 1994 in “PubMed” Women with androgenetic alopecia have normal levels of most blood steroids and binding proteins, but higher dehydroepiandrosterone. Some also have low "sex hormone-binding globulin" and "corticosteroide-binding globulin" capacity, and high "free androgen index" and "free cortisol index". Diane treatment can normalize these levels and improve hair conditions.
18 citations
,
October 2021 in “Frontiers in Physiology” Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.
12 citations
,
October 2018 in “Aging male/The aging male” Higher BMI and lower testosterone are linked to more aggressive prostate cancer.
8 citations
,
January 1986 in “Journal of hepatology” Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
May 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Androgens increase growth factors in skin cells, which may lead to acne.
November 2017 in “JAMA internal medicine” Women also use 5α-reductase inhibitors for hair loss and hirsutism.
14 citations
,
January 2018 in “Clinics in Dermatology” Skin diseases linked to insulin resistance should be managed to prevent diabetes and reduce heart disease risk.
14 citations
,
September 1986 in “Archives of Dermatology” Women with low SHBG levels and a high 3a-diol G to SHBG ratio are likely to experience female pattern baldness, possibly due to a slight excess of androgens affecting sensitive hair bulbs.
September 2023 in “Fides et Ratio” The safety and effectiveness of gender-affirming treatments for children are uncertain, with potential long-term risks like infertility.
August 2023 in “IntechOpen eBooks” Testosterone is important for male development and health, and careful replacement can treat low levels.
June 2023 Herbal remedies like liquorice and aloe vera may help manage PCOS symptoms.
18 citations
,
March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
3 citations
,
January 2015 in “Elsevier eBooks” Male hormones and their interactions are crucial for male sexual development and characteristics.
205 citations
,
September 2009 in “Journal of Dermatological Science” Male and female skin differ in many ways, which could lead to gender-specific skin treatments.
116 citations
,
April 2014 in “The Journal of Pediatrics” Most youth with gender dysphoria received hormones, had minor complications, and showed a decrease in suicide attempts after treatment.
74 citations
,
March 2018 in “Stroke” Women have unique stroke risks due to hormones, contraceptives, pregnancy, and menopause.
65 citations
,
August 2016 in “Metabolic brain disease” Children with autism have lower levels of essential and toxic trace elements in their hair.
27 citations
,
March 2018 in “Allergy and asthma proceedings” People with alopecia areata often have higher rates of allergies and autoimmune diseases.
3 citations
,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
3 citations
,
December 2016 in “Journal of epidemiological research” Estrogen and androgenic hair increase melanoma risk, especially in European-ancestry individuals.
1 citations
,
December 2019 in “Steroids” Two new mutations in the AR gene linked to severe androgen insensitivity were found.
January 2024 in “Al-Ameed journal for medical research and health sciences” Testosterone is vital for male health, and its deficiency is linked to aging and common health issues.
January 2023 Low Vitamin D, Vitamin B12, and iron levels, as well as thyroid issues, are strongly linked to premature greying of hair, which also negatively affects quality of life.
October 2021 in “International Journal of Research in Dermatology” People with alopecia areata often have low vitamin D levels, which may worsen their hair loss.
May 2019 in “Journal of Investigative Dermatology” Women with scarring alopecia are less likely to have used hormone replacement therapy or oral contraceptives compared to those with female pattern hair loss.