January 2026 in “International Journal of Molecular Sciences” Lifestyle changes and environmental strategies can help address declining testosterone levels.
140 citations
,
February 2014 in “Neuron” Delta opioid receptors help regulate touch sensation by reducing neurotransmitter release in the spinal cord.
August 2025 in “Libyan Medical Journal” People with vitiligo or alopecia areata have higher anxiety and depression than healthy people.
66 citations
,
February 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Adenosine may promote hair growth by increasing FGF-7 levels in dermal papilla cells.
7 citations
,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
March 2026 in “RS Global journals (RS Global Sp. z O.O.)” Finasteride is effective for hair loss and prostate issues but may cause lasting side effects.
December 2025 in “Neurobiology of Stress” People who recently attempted suicide during depression showed signs of adrenal fatigue, but had higher DHEA levels around the attempt time.
2 citations
,
September 2002 in “Journal of Endocrinological Investigation” The GH-IGF-I axis is likely involved in the hormonal imbalances seen in non-obese women with functional hyperandrogenism.
August 2025 in “Animal nutrition” α-Ketoglutaric acid improves hair growth, rabbit performance, and antioxidant levels.
December 2025 in “Frontiers in Immunology” Restoring nerve-macrophage communication may help treat autoimmune diseases.
57 citations
,
April 2019 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata involves immune system imbalances that may lead to depression and anxiety.
18 citations
,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
12 citations
,
December 2023 in “Journal of Applied Pharmaceutical Sciences and Research” Caffeine boosts alertness, helps breathing, acts as a diuretic, and may aid cancer treatment.
10 citations
,
May 2018 in “Neuropharmacology” Drugs for hormone-related conditions might help treat mental disorders but could have serious side effects.
2 citations
,
February 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” The Asiatic lion has very low genetic diversity and unique genetic traits, highlighting the need for its conservation.
1 citations
,
January 2019 in “Elsevier eBooks” Neuroactive steroids may affect the risk and treatment of alcohol use disorders.
Monocyclic aromatic compounds are important for developing various drugs and treatments.
January 2026 in “Journal of Trace Elements in Medicine and Biology” Dogs have more iron and copper in their hair than cats, and outdoor animals have higher iron levels.
February 2025 in “Iraqi Journal of Science” PCOS patients have higher LDH and lower cortisol, dopamine, zinc, and vitamin D3, which may contribute to their symptoms and obesity.
December 2024 in “International Journal of Health Sciences and Research” Vitamin D is crucial for health, and deficiency can cause hair loss and other health issues.
91 citations
,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
56 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
24 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Hormonal treatment is effective for women with acne not helped by usual treatments, especially if they have hormonal imbalances.
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.
13 citations
,
December 2017 in “CNS Neuroscience & Therapeutics” Finasteride affects young male rats' brain function and behavior negatively.
8 citations
,
December 2020 in “The FASEB Journal” Blocking adenosine A2B receptor may prevent or treat hearing loss.
2 citations
,
May 2019 in “PubMed” Oral finasteride and dutasteride may negatively affect erectile function in rats.
19 citations
,
October 2018 in “PLOS ONE” 5 alpha-reductase inhibitors can slightly improve symptoms of enlarged prostate but have a high risk of sexual side effects.
37 citations
,
September 2018 in “Psychoneuroendocrinology” Finasteride treatment in male rats causes long-lasting effects on depression-like behavior, brain cell growth, inflammation, and gut bacteria composition.
11 citations
,
April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.