May 2025 in “Neuropharmacology” Finasteride reduced seizures and prevented cognitive issues in rats after neonatal asphyxia but increased anxiety later.
11 citations
,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
April 2012 in “Lab Animal” Early exposure to germs may protect against autoimmune diseases, lack of sex increases alcohol preference in fruit flies, a potential baldness treatment could involve blocking a specific receptor, skin memory cells help prevent re-infection, high-fat diets can affect brain cells related to weight, and the link between social status, stress, and heart disease in primates is unclear.
24 citations
,
July 2016 in “Steroids” Progesterone and testosterone protect brain cells from damage through specific pathways.
18 citations
,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
33 citations
,
December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
April 2016 in “The FASEB Journal” Blocking androgen receptors early in life increases estrogen levels and reduces sexual motivation in male rats.
34 citations
,
July 2006 in “The Journal of Comparative Neurology” Increasing neurotrophin 4 in skin boosts nerve endings but not sensory neuron count.
4 citations
,
November 2024 in “The Journal of Steroid Biochemistry and Molecular Biology” 81 citations
,
June 2006 in “Experimental Neurology” Neurosteroids may help prevent seizures in epilepsy.
26 citations
,
July 2023 in “International Journal of Nanomedicine” The microneedle system shows promise for non-invasive brain drug delivery.
12 citations
,
May 2002 in “PubMed” Hair growth is regulated by a combination of hormones, blood vessels, and nerve signals.
February 2026 in “Advanced Science” TTNPB helps turn stem cells into neural stem cells, improving depression-like behaviors in rats.
15 citations
,
November 2007 in “Journal of Neurochemistry” Stopping alcohol after long-term use causes anxiety and changes brain chemicals.
January 2010 in “Acta Universitatis Medicinalis Nanjing” Progesterone helps adult male mice's brain cells survive and improves learning and memory.
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.
13 citations
,
August 2016 in “Reproduction” High doses of nandrolone decanoate disrupt ovarian hormones and receptors in rats, with recovery only at lower doses and longer recovery times.
September 2024 in “Journal of the American Academy of Dermatology” Seborrheic dermatitis affects quality of life and sleep, linked to stress and nervous system changes.
September 2024 in “Journal of Investigative Dermatology” A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
October 2025 in “Indian Journal of Physiology and Pharmacology” Early diagnosis and treatment of endocrine disorders like HAIR-AN syndrome can improve outcomes in adolescents.
Estrogen and its receptors play a key role in hair growth, with differences between males and females.
14 citations
,
June 2011 in “Journal of Dermatological Science” TSH influences keratin expression in human hair follicles.
5 citations
,
July 2025 in “Endocrine” 32 citations
,
September 1966 in “Journal of Investigative Dermatology”
October 2022 in “Frontiers in Endocrinology” New tools show that in fish, NPY increases feeding and somatostatin decreases it.
42 citations
,
August 2012 in “Psychoneuroendocrinology” Finasteride reduces certain behaviors caused by D1-like receptor agonists but not by D2-like receptor agonists in mice.
January 2017 in “Corpus Université Laval (Université Laval)” Dutasteride may protect brain cells in early Parkinson's, while progesterone helps neuron recovery.
January 2023 in “Neuroscience applied” People with an imbalance between their cognitive and emotional empathy have lower levels of the hormone oxytocin in their hair.
189 citations
,
May 1999 in “Microscopy Research and Technique” Neurotrophins, especially NGF, are crucial for pain development and management.
March 2024 in “European Journal of Neuroscience” Dopaminergic neurons in the gut have diverse subtypes with different neurotransmitter contents.