October 2024 in “Clinical Chemistry” The girl's motor issues were due to scurvy from a lack of vitamin C, which improved with supplements.
11 citations
,
May 1976 in “Archives of Dermatology” Starving yourself can cause hair loss, but stopping the diet can improve it.
26 citations
,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
3 citations
,
June 2023 in “American Journal of Forensic Medicine & Pathology” A child died from eating hair, causing severe stomach blockages and infection.
Frontal hair in male pattern baldness shows reduced growth and thickness.
10 citations
,
April 2020 in “PloS one” Lack of Crif1 in hair follicle stem cells slows down hair growth in mice.
18 citations
,
May 2004 in “Archives of Dermatology” Severe nutritional deficiency can cause serious health and development issues, including skin problems and hair loss.
4 citations
,
July 2013 in “Journal of dermatology” Malnutrition can cause unusual eyelash growth and hair loss.
21 citations
,
April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
1 citations
,
August 2022 in “International journal of biological and chemical sciences” Iodine-deficient diets and antithyroid substances affected rat growth and behavior, but most adapted with positive weight gain.
176 citations
,
February 2006 in “Cancer Research” Patched1 helps prevent tumors by controlling cell growth.
February 2025 in “FASEB BioAdvances” Verteporfin reduces growth and stem cell traits in rat hair follicle cells by blocking the Hippo pathway.
6 citations
,
August 2020 in “JCRPE” A boy with a rare form of early puberty caused by a new gene mutation responded well to treatment aimed at reducing testosterone and preserving adult height.
2 citations
,
July 2013 in “PubMed” The pubic hair loss was likely due to anorexia nervosa.
32 citations
,
September 2011 in “Journal of Neuroendocrinology” Inhibiting 5α-reductase during late pregnancy shortens gestation, reduces litter size, and harms memory in rat offspring.
49 citations
,
January 2006 in “Developmental Dynamics” Noggin gene inactivation causes skeletal defects in mice, varying by genetic background.
May 2022 in “British Journal of Dermatology” The girl's hair condition improved on its own in 24 months.
75 citations
,
July 2016 in “New phytologist” The protein RSL4 is crucial for making root hairs longer by controlling genes related to cell growth.
37 citations
,
July 1999 in “The EMBO Journal” Overexpression of certain genes can shorten hair by disrupting the hair-growth cycle.
September 2017 in “Pediatric Dermatology” A 14-year-old boy was diagnosed with a rare hair condition that may lead to hair thinning and has no known effective treatments.
29 citations
,
January 2017 in “Journal of Investigative Dermatology” The Msi2 protein helps keep hair follicle stem cells inactive, controlling hair growth and regeneration.
January 2012 in “대한미용학회지” Hair follicle stem cells can be cultured, but improvements are needed for longer growth.
April 2025 in “Journal of Cosmetic Dermatology” The device safely increased hair growth and thickness in men with hair loss.
54 citations
,
June 1985 in “American Journal of Dermatopathology” Minoxidil helps grow longer, thicker hair in bald scalps of stumptailed macaques, and early treatment is more effective.
27 citations
,
November 2000 in “Journal of Veterinary Medicine Series B” Iodine deficiency in lambs causes poor growth, less wool, and delayed sexual maturity.
19 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
176 citations
,
September 2006 in “Stem Cells” BMP signaling prevents hair growth by stopping stem cell activation.
36 citations
,
March 2002 in “Journal of Biological Chemistry” Food deprivation increases MST enzyme in the brain, possibly affecting energy balance.
1 citations
,
August 2019 in “Pediatric dermatology” Topical minoxidil helped an 8-year-old boy with a genetic hair disorder grow hair.
2 citations
,
July 2023 in “Urology Case Reports” Timely surgery successfully repaired a boy's penis after a hair caused severe damage.