Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.
5 citations
,
July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
2 citations
,
July 2018 in “Risks” Investing in a longevity megafund can help pension funds reduce longevity risk.
8 citations
,
August 2018 in “Turkish journal of urology” Hair wrapped tightly around a boy's penis can cause serious damage if not treated quickly.
5 citations
,
October 2021 in “Scientific Reports” Climate factors like UV index and rain can affect alopecia areata flares in children, especially those with allergies.
12 citations
,
December 1962 in “Journal of Investigative Dermatology” July 2026 in “Environmental Science & Technology” Human sweat can cause nanoplastics to clump together, affecting how they penetrate the skin.
156 citations
,
October 1996 in “Science of The Total Environment” Tributyltin exposure causes sex changes, sterilization, and decline in the snail Ocinebrina aciculata, risking its extinction.
51 citations
,
August 2012 in “Differentiation” Mouse genital development depends on male or female hormones for specific features.
43 citations
,
January 2016 in “International Journal of Andrology” Finasteride caused long-term sexual and non-sexual side effects in young men with hair loss.
18 citations
,
March 2004 in “The Journal of Urology” Hypospadiac rats showed abnormal genital development, useful for studying human hypospadias.
12 citations
,
January 2016 in “Endocrinology, diabetes & metabolism case reports” Testosterone therapy improved physical and social health in a male with 49,XXXXY syndrome.
8 citations
,
January 2023 in “Biosensors” Piezoelectric Nanogenerators are promising for non-invasive health monitoring but need efficiency and durability improvements.
6 citations
,
January 2013 in “Urology” An 8-year-old boy with bed-wetting issues suffered a severe penile injury from tying a thread around his penis, requiring urgent medical treatment to avoid worse outcomes.
2 citations
,
May 2012 in “Acta pharmaceutica sinica B” The study found unique microscopic features for hair or feather in five animal ingredients in Shenrongbian pill.
1 citations
,
June 2008 in “The Journal of Urology” Dihydrotestosterone gel before hypospadias surgery led to less scarring but raised concerns about potential psychological effects and skin changes.
November 2025 in “Pharmacological Research” Plant-derived nanoparticles from Polygoni Multiflori Radix promote hair growth better than Minoxidil by affecting androgen pathways.
November 2022 in “Journal of the Endocrine Society” A boy with a new NR5A1 gene mutation has a sex development disorder without affecting his adrenal glands.
January 2023 in “International journal of dermatology, venereology and leprosy sciences” Microneedling is an effective and tolerable way to treat vitiligo.
13 citations
,
January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
3 citations
,
February 2024 in “Wound Repair and Regeneration” Keloids on the penis are rare, often triggered by circumcision, and rarely recur after surgery.
April 2020 in “The Journal of Urology” Big chain pharmacies in Pennsylvania charge significantly more for generic BPH medications than independent pharmacies, but independent pharmacies have more regional price variation.
9 citations
,
March 2018 in “Plastic and Aesthetic Research” Direct hair implantation with special pens improves hair transplant precision and effectiveness.
5 citations
,
December 2021 in “Pediatric investigation” Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.
2 citations
,
July 2023 in “Urology Case Reports” Timely surgery successfully repaired a boy's penis after a hair caused severe damage.
January 2023 in “The Annals of african surgery” Hormone treatment before hypospadias surgery can increase penis size and reduce surgery complications.
June 2018 in “SPIRE - Sciences Po Institutional REpository” Biomedical innovations could extend human lifespan, but may impact pension systems.
The document suggests that drugs for prostate issues might cause lasting sexual, mental, and physical health problems due to blood vessel damage in the penis.
July 2007 in “Cancer biology & therapy” Removing a key gene in mice leads to premature aging and loss of stem cells.
20 citations
,
April 2017 in “Journal of the American Academy of Dermatology” Antimalarial drugs, especially chloroquine, can effectively treat granuloma annulare.