27 citations
,
May 2006 in “Biochemical and Biophysical Research Communications” Wnt-10b is important for starting hair growth and developing hair follicles.
24 citations
,
November 2023 in “Nature” The extracellular matrix affects where tumors can start in the body.
20 citations
,
May 1998 in “PEDIATRICS” African-American girls tend to start puberty earlier than white girls, possibly due to increased androgen production.
20 citations
,
January 1995 in “Journal of Dermatological Science” Cyclosporin A and FK506 can start new hair growth without needing immunosuppression.
16 citations
,
January 2005 in “The International Journal of Developmental Biology” Hex gene plays a crucial role in starting feather development in chick embryos.
13 citations
,
August 2021 in “Frontiers in Aging Neuroscience” Hearing decline in SAMP8 mice starts before outer hair cell loss and may be linked to other changes.
12 citations
,
September 1999 in “The journal of experimental zoology/Journal of experimental zoology” Prolactin levels do not control the start of winter fur growth in mink.
10 citations
,
September 2014 in “European Journal of Dermatology” A woman's hair loss worsened after starting hepatitis C treatment due to immune changes in her hair follicles.
9 citations
,
April 2019 in “Bioscience, biotechnology, and biochemistry” Ten miRNAs may play key roles in starting secondary hair follicle development in sheep foetuses.
9 citations
,
January 2001 in “Dermatologic Surgery” Hair loss in women often starts in their late 20s and peaks after 50, and it's different from male hair loss.
7 citations
,
December 2021 in “Journal of The American Academy of Dermatology” COVID-19 can cause hair loss starting as early as 18 days after infection.
6 citations
,
December 2019 in “Frontiers in genetics” GLI1 might protect against the start of skin cancer and is not linked to cancer severity.
4 citations
,
January 1997 in “EXPERIMENTAL ANIMALS” Histamine and its enzyme may help start hair regrowth.
3 citations
,
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Curcumin applied to the skin can start hair growth in mice.
2 citations
,
July 2018 in “Journal of pediatric epilepsy” A teenager lost hair after starting epilepsy medication levetiracetam.
April 2026 in “International Journal of Drug Delivery Technology” Girls in Tamil Nadu typically start menstruating around age 12.84, influenced by lifestyle and family factors.
January 2025 in “BMC Pediatrics” Iranian girls in Isfahan typically start puberty around age 10, with menarche at 12.
December 2023 in “PubMed” COVID-19 patients in Thailand typically started losing hair about 30 days after infection, with women experiencing more severe hair loss.
October 2023 in “Frontiers in medicine” Comprehensive screening for infections is crucial before starting JAK inhibitors in alopecia areata patients.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
June 2015 in “Reactions Weekly” A man developed alopecia areata after starting cancer treatment with vandetanib.
January 2012 in “Evaluation and Analysis of Drug-Use in Hospitals of China” Finasteride works best for hair loss when started early and is effective for most people.
September 1997 in “BioMed Research International” Female pattern hair loss often starts in teenage years, reduces hair density, and can impact quality of life.
August 1994 in “Journal of dermatological science” Cyclosporin A and FK506 can start new hair growth in mice, but ascomycin and rapamycin cannot.
417 citations
,
March 1991 in “American Journal of Psychiatry” Most adult chronic hair pullers are women who started in their early teens, often have other mental health issues, and may pull hair due to underlying psychiatric conditions.
231 citations
,
October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
61 citations
,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
54 citations
,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
51 citations
,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
50 citations
,
March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.