18 citations,
July 2010 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” The vitamin D receptor helps regulate skin and hair health independently of its usual vitamin D ligand.
81 citations,
December 2009 in “Journal of Dermatological Science” Fat tissue stem cells may help increase hair growth.
88 citations,
June 2009 in “Cleveland Clinic Journal of Medicine” To manage diffuse hair loss, identify the cause, improve nutrition, remove triggers, and use specific treatments like minoxidil or finasteride.
73 citations,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.
53 citations,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
166 citations,
November 2008 in “Expert Review of Endocrinology & Metabolism” Biotin and biotinidase are essential to prevent health issues, and deficiencies require lifelong supplementation.
286 citations,
August 2007 in “Journal of Clinical Investigation” Alopecia areata is an autoimmune disease where T cells attack hair follicles.
67 citations,
May 2007 in “Journal of Cosmetic Dermatology” The herbal formulation promoted hair growth faster and more effectively than minoxidil in rats.
85 citations,
April 2007 in “Dermatologic Clinics” Some drugs can cause hair loss, change hair color and shape, or increase hair growth, and treatment may involve stopping the drug or using specific hair growth treatments.
45 citations,
December 2006 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Vitamin D and its receptor are essential for hair growth, cell regulation, immune function, and heart health.
127 citations,
December 2005 in “Experimental Dermatology” Stress can stop hair growth in mice, and treatments can reverse this effect.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
45 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Understanding hair follicles through various models can help develop new treatments for hair disorders.
203 citations,
June 2003 in “Journal of the American Academy of Dermatology” Human hair, despite its different types, shares common traits that affect its structure and response to treatments.
239 citations,
July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
144 citations,
July 2002 in “Clinical and Experimental Dermatology” Telogen effluvium is a common type of hair loss that can resolve on its own or become chronic, with treatment depending on early diagnosis.
69 citations,
February 2002 in “International Journal of Cosmetic Science” Some hair loss can be treated, especially in women due to nutrition, but some types remain untreatable.
55 citations,
January 2000 in “Cell biochemistry and function” Alopecia patients have lower antioxidants and higher lipid damage in their blood.
11 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” 
24 citations,
July 1987 in “Dermatologic Clinics” Systemic diseases can cause hair loss, which is often reversible with treatment.
303 citations,
August 1971 in “The American Journal of Medicine” Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.
