56 citations,
January 2008 in “Molecular and cellular endocrinology” Two enzymes regulate androgen receptor activity, affecting treatments for androgen insufficiency and benign prostatic hyperplasia.
29 citations,
February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
12 citations,
April 2020 in “British Journal of Dermatology” Caffeine may help reduce stress-induced hair loss.
October 2023 in “Biomaterials” Nanotechnology could improve hair regrowth but faces challenges like complexity and safety concerns.
September 2023 in “Journal of Nutrition and Metabolism” One Ashwagandha extract may help protect cells with its antioxidant properties, while another could promote hair growth.
293 citations,
November 2005 in “Trends in Immunology” Stress can worsen skin conditions and stop hair growth by affecting the body's stress response system.
219 citations,
January 2006 in “Drug Metabolism Reviews” DHEA affects multiple receptors and may help with metabolic issues, but its safety and effectiveness in humans are unclear.
23 citations,
October 2020 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Tailored treatments for alopecia areata are recommended based on severity and patient needs.
16 citations,
January 2022 in “International journal of molecular sciences” Certain daily habits like stress, diet, and sleep can affect the severity of hair loss in alopecia areata.
12 citations,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
9 citations,
July 2021 in “Frontiers in genetics” Melatonin makes cashmere grow earlier and more by increasing certain gene activity in goats.
1 citations,
February 2023 in “International Journal of Molecular Sciences” Melatonin improves cashmere goat hair quality by increasing follicles and reducing skin aging.
September 2024 in “Journal of Investigative Dermatology” A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
August 2023 in “Dermatology and Therapy” Experts recommend personalized treatment plans for best outcomes in managing Alopecia Areata.
New treatments for hair loss should target eight main causes and use specific plant compounds and peptides for better results.
May 2023 in “Frontiers in Immunology” Treg cell-based therapies might help treat hair loss from alopecia areata, but more research is needed to confirm safety and effectiveness.
The study concludes that long COVID recovery involves time, various treatments, and a strong patient-provider relationship.
501 citations,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
122 citations,
October 2013 in “PEDIATRICS” Maternal stress during pregnancy affects a child's stress levels.
80 citations,
January 2011 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Hair cortisol levels can reflect salivary cortisol levels in humans.
70 citations,
March 2010 in “The Journal of Steroid Biochemistry and Molecular Biology” Blocking a specific enzyme might help treat obesity and diabetes, but more research is needed to ensure it's safe.
50 citations,
February 2021 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
44 citations,
February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
16 citations,
August 2007 in “Histopathology” A woman's rare adrenal tumor caused high testosterone and cortisol levels, which normalized after the tumor was removed.
12 citations,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.
7 citations,
May 2021 in “General and comparative endocrinology” Muskoxen's qiviut cortisol levels indicate their stress hormone activity over the hair growth period.
7 citations,
January 2014 in “Case reports in endocrinology” A woman's excessive hair growth was caused by a rare benign tumor in her adrenal gland, which was successfully removed.
7 citations,
January 2013 in “Animal Production Science” Altering maternal cortisol during pregnancy can improve wool growth in Merino sheep.
5 citations,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
5 citations,
January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.