127 citations,
January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
37 citations,
October 2014 in “Maturitas” Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.
27 citations,
March 2014 in “Experimental Dermatology” IGF-1 affects hair loss and could be a potential treatment.
223 citations,
January 2014 in “International Journal of Molecular Sciences” The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.
31 citations,
January 2014 in “International Journal of Trichology” The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.
43 citations,
December 2013 in “Seminars in Cell & Developmental Biology” Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.
110 citations,
December 2013 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Alopecia areata is a genetic and immune-related hair loss condition that is often associated with other autoimmune diseases and does not typically cause permanent damage to hair follicles.
4 citations,
August 2013 in “Expert Review of Dermatology” Updated treatments for female hair loss include minoxidil, antiandrogens, hair transplants, and light therapy.
31 citations,
May 2013 in “Clinical Cosmetic and Investigational Dermatology” Proper skin care and dermocosmetics improve skin issues in diabetes patients.
35 citations,
October 2012 in “Dermatologic Clinics” Autoimmune diseases can cause hair loss, and early treatment is important to prevent permanent damage.
40 citations,
October 2012 in “Dermatologic clinics” More research is needed to understand the genetic causes of Alopecia areata to develop better treatments.
98 citations,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
161 citations,
August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
98 citations,
July 2011 in “Fertility and Sterility” An mFG score of 5 or more indicates above-normal hair growth in Southern Chinese women.
66 citations,
June 2010 in “Experimental Dermatology” The hair follicle is a great model for research to improve hair growth treatments.
205 citations,
July 2009 in “Journal of Dermatological Science” Male and female skin differ in many ways, which could lead to gender-specific skin treatments.
28 citations,
March 2009 in “Clinical and Experimental Dermatology” There is no significant link between male pattern baldness and insulin resistance.
47 citations,
November 2007 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Healthy hair is shiny, smooth, and has clean ends.
98 citations,
February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
20 citations,
August 2005 in “Journal of Cutaneous Pathology” The protein ARA70/ELE1 is involved in male pattern baldness, and lower levels of its short form may lead to hair thinning.
51 citations,
January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
130 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Estrogen Receptor ß (ERß) is the main hormone controller in human skin and hair follicles, not Estrogen Receptor α (ERα) or the Androgen Receptor (AR).
115 citations,
September 2000 in “The Lancet” Early hair loss may indicate risk of insulin resistance.
2 citations,
March 2000 in “CRC Press eBooks” 
66 citations,
January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
129 citations,
June 1999 in “Archives of Dermatology” African Americans have less hair density than whites.
416 citations,
September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
67 citations,
September 1997 in “Dermatologic Surgery” The document concludes that good cosmetic outcomes in hair transplantation depend on the surgeon's artistic skill and careful planning.
139 citations,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
