35 citations
,
June 2017 in “Pharmaceutical research” Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
34 citations
,
January 2004 in “Revista do Hospital das Clínicas” Finasteride may worsen infertility in men with existing issues, but stopping it can improve sperm health.
34 citations
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
26 citations
,
November 2006 in “Pharmacology, Biochemistry and Behavior” Pregnancy reduces anxiety in rats, but finasteride reverses this effect.
22 citations
,
January 2010 in “Clinical Medicine Insights Endocrinology and Diabetes” Forearm hair has more cortisol than lower leg hair.
20 citations
,
January 2003 in “Treatments in Endocrinology” Testosterone therapy can help improve mood, sexual function, and bone health in women with low androgen levels, but more research is needed to establish safe and effective guidelines.
18 citations
,
July 2020 in “Basic and Clinical Andrology” Wait 3 months after COVID-19 before trying assisted reproduction and further research is needed on COVID-19's effects on male hormones and fertility.
18 citations
,
October 2005 in “International Journal of Pharmaceutics” Adding a small amount of TPGS to minoxidil can help hair growth, but too much TPGS reduces this effect and increases minoxidil in the blood.
17 citations
,
May 2021 in “Journal of Assisted Reproduction and Genetics” COVID-19 may harm male fertility and damage the reproductive system.
15 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
14 citations
,
May 2020 in “Drug Testing and Analysis” A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
12 citations
,
December 2020 in “Frontiers in Cell and Developmental Biology” The review found that the way Platelet-Rich Plasma is made varies a lot, which can change the results of medical treatments.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
11 citations
,
May 2010 in “Journal of Medicinal Chemistry” A new compound was created in 2010 that can control oil production when applied to the skin, and its effects are completely reversible after two weeks.
10 citations
,
May 2016 in “Polymer” New nanocarriers improve skin drug delivery with low toxicity at certain concentrations.
9 citations
,
May 2021 in “International Journal of Dermatology” The trial showed that a new under-the-tongue treatment for severe hair loss was somewhat effective in a small group of people.
8 citations
,
January 2017 in “Fertility and Sterility” Urologic diseases and treatments in older men can negatively affect fertility, and doctors should talk to patients about this.
7 citations
,
October 2020 in “Journal of Clinical Medicine” Women with PCOS are at high risk of glucose metabolism issues and heart diseases, especially if overweight, highlighting the need for early intervention.
6 citations
,
November 2020 in “Clinical Cosmetic and Investigational Dermatology” Both concentrations of triamcinolone acetonide are effective for hair regrowth in patchy alopecia areata, but 5 mg/mL is recommended to reduce side effects.
6 citations
,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
5 citations
,
July 2014 in “Journal of X-Ray Science and Technology” Hair analysis can help diagnose cell ion channel activity and calcium deficiency.
4 citations
,
March 2002 in “International journal of toxicology” LAAM caused developmental toxicity in tolerant rats without causing birth defects.
2 citations
,
July 2023 in “Toxics” High concentrations of rosemary and thyme extracts can damage thymus tissue and affect immune markers in chick embryos.
1 citations
,
December 2019 in “Frontiers in endocrinology” Higher androgen levels during puberty are linked to shorter adult height in boys with Silver-Russell syndrome.
January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
November 2023 in “Indian journal of surgery” Platelet-rich gel is an effective treatment for healing scalp wounds with exposed skull.
August 2023 in “Journal of Cosmetic Dermatology” Higher concentration of botulinum toxin A is safe and effective for treating hair loss in men and women.
June 2020 in “Authorea (Authorea)” First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.
February 2010 in “Journal of The American Academy of Dermatology” White hirsute women with PCOS have higher insulin resistance, but similar nitric oxide and fibrinogen levels compared to those with idiopathic hirsutism.
Biotin boosts wool growth and follicle health in sheep.