45 citations,
September 1998 in “Journal of Investigative Dermatology” The enzyme 17β-HSD type 2 mainly performs oxidation in human sebaceous glands, which may help protect against acne.
44 citations,
October 2019 in “International Journal of Molecular Sciences” Melatonin, usually known for sleep regulation, also has antioxidant properties that can protect skin, stimulate hair growth, and improve skin conditions, with topical application being more effective than oral use.
41 citations,
June 2010 in “Clinics in Dermatology” Smoking harms skin health, causing slower wound healing, more wrinkles, and worsening some skin conditions, but may protect against certain others.
29 citations,
October 2020 in “eLife” Higher testosterone levels can increase the risk of certain diseases like type 2 diabetes in women and prostate cancer in men, but can also protect against autoimmune diseases and hair loss. It also affects body fat and bone density.
25 citations,
May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
24 citations,
April 2017 in “Journal of Investigative Dermatology” Age, smoking, and lower BMI increase facial wrinkles; men wrinkle more than women, except in old age; pale skin and certain hormonal factors can protect against wrinkles.
12 citations,
July 2015 in “Tissue Antigens” The A allele of the C2 gene increases the risk of lupus, while the G allele may protect against it.
7 citations,
January 2022 in “Scientific Reports” Acanthus ebracteatus Vahl. extract and verbascoside may help prevent hair loss and promote hair growth due to their anti-inflammatory properties and ability to protect against cell death.
5 citations,
November 2013 in “Case reports in dermatology” A woman's skin darkened after using dutasteride and pimecrolimus for hair loss, but improved when she stopped the medications and protected her skin from light.
4 citations,
May 2023 in “Composites Part B: Engineering” The nanocomposite hydrogels can repair themselves, change shape, reduce inflammation, protect against oxidation, kill bacteria, stop bleeding, and help heal diabetic wounds while allowing for wound monitoring.
1 citations,
March 2023 in “Applied sciences” Lavender, lemongrass, rosemary, and chamomile essential oils may help protect cells important for hair growth from damage and could promote hair growth.
1 citations,
February 2022 in “The Journal of Urology” Certain drugs like Dutasteride and Finasteride might help fight SARS-CoV-2 by increasing levels of a steroid called DHEA, which can protect the heart and increase nitric oxide to counteract the virus.
August 2023 in “International Journal of Cosmetic Science” Rosemary extracts, specifically compounds like rosmarinic acid and carnosic acid, can protect hair from UV damage.
Neurosteroids help regulate oxytocin levels, especially during stress and pregnancy, to protect against premature labor.
June 2022 in “International Journal of Advanced Research in Science, Communication and Technology” The polyherbal hair oil with Vitamin B7 may increase hair growth, reduce hair loss, and protect against dandruff.
September 2021 in “Journal of pharmaceutical research international” The conclusion is that hirsutism is strongly linked to PCOS and higher levels of certain hormones, but not to DHEAS, prolactin, cortisol, or TSH.
March 2021 in “Medico-Legal Update” The androgen receptor gene doesn't affect women with recurrent spontaneous abortions, but having a mutant genotype might protect against it.
April 2019 in “Radiotherapy and oncology” HPV infection is linked to better survival in advanced anal cancer, higher radiation doses improve survival, especially in HPV-negative patients, and prostaglandin E₂ pretreatment can protect mouse hair follicles from radiation damage.
December 2006 in “Annales D Endocrinologie” Estrogen-progestin contraception lowers ovarian, endometrial, and colon cancer risk but may raise breast and cervical cancer risk, helps with menstrual and acne issues, and new methods are as effective as pills. Metformin helps overweight women with PCOS and insulin resistance, and dopamine agonists treat prolactinomas.
1 citations,
May 2021 in “BMC Proceedings” The document concludes that more research is needed to reduce frequent hospital visits, addiction medicine education improves with specific training, early breast cancer surgery findings are emerging, nipple smears are not very accurate, surgery for older melanoma patients doesn't extend life, a genetic condition in infants can often be treated with one drug, doctors are inconsistent with blood clot medication, a certain gene may protect against cell damage, muscle gene overexpression affects many other genes, and some mitochondrial genes are less active in mice with tumors.
397 citations,
February 2004 in “British Journal of Dermatology” Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.
393 citations,
November 2000 in “Archives of General Psychiatry” Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.
166 citations,
September 2011 in “Dermatologic Surgery” Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.
146 citations,
January 2004 in “Hormones” Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.
102 citations,
July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
98 citations,
July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
97 citations,
April 2016 in “Andrology” Hormones and metabolism play a complex role in prostate enlargement, and more research is needed to improve diagnosis and treatment.
90 citations,
October 1998 in “Animal Reproduction Science” Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.
85 citations,
May 2019 in “Journal of neuroendocrinology” The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.
71 citations,
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.