30 citations
,
March 2017 in “PLoS ONE” Sulfur slightly improved diet estimates for grizzly bears, but hair growth timing varied, affecting results.
30 citations
,
July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
29 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.
29 citations
,
September 2014 in “American Journal of Dermatopathology” Horizontal sections of scalp biopsies are good for diagnosing Central Centrifugal Cicatricial Alopecia and help customize treatment.
26 citations
,
March 2015 in “Phytotherapy Research” Forsythiaside-A, a natural substance, can protect against hair loss and is more effective than current treatments, potentially making it a good option for hair loss treatment.
24 citations
,
January 2012 in “Indian Journal of Dermatology, Venereology and Leprology” Diffuse alopecia areata involves more inflammation and higher allergy-related antibodies than patchy types.
23 citations
,
May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.
22 citations
,
January 2017 in “Skin appendage disorders” The conclusion is that primary scarring alopecia is a complex condition that requires early and accurate diagnosis for effective treatment.
22 citations
,
April 2013 in “Dermatologic surgery” Bimatoprost effectively and safely improves eyebrow appearance.
22 citations
,
August 2009 in “Evidence-based Complementary and Alternative Medicine” The composition with carnitine, thioctic acid, and saw palmetto extract may effectively reduce inflammation in hair follicle cells.
22 citations
,
December 1998 in “Dermatologic Surgery” A new storage solution may increase hair transplant graft survival.
21 citations
,
September 2004 in “Fertility and Sterility” Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.
20 citations
,
November 2019 in “Stem Cells” Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.
20 citations
,
May 2016 in “Journal of Cosmetic Dermatology” Low vitamin D receptor levels found in hair loss patients; topical vitamin D treatment suggested.
20 citations
,
June 2010 in “Genes and Immunity” Blood tests can help understand the genetic differences in people with alopecia areata, including how severe it is and if it's inherited.
19 citations
,
July 2012 in “Biotechnic & Histochemistry” Less AgNOR protein production is linked to hair loss.
18 citations
,
January 2020 in “Journal of the European Academy of Dermatology and Venereology” High-potency steroids or tacrolimus are effective treatments for Erosive Pustular Dermatosis of the Scalp.
18 citations
,
October 2014 in “Experimental Biology and Medicine” Eating vitamin A affects hair growth and health by changing cell signals in mice.
17 citations
,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
16 citations
,
March 2016 in “Clinical ophthalmology” Bimatoprost is safe and improves eyelash growth in healthy kids but not in those with eyelash loss from chemotherapy or alopecia.
16 citations
,
July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
16 citations
,
December 2001 in “Dermatologic Therapy” Alopecia areata has a complex genetic basis that was not fully understood as of 2001.
15 citations
,
August 2006 in “Journal of Cutaneous Pathology” HIV-1 may cause increased stem cell death in hair follicles, leading to hair loss.
15 citations
,
January 2003 in “Lasers in Surgery and Medicine” Cold air and a chilled sapphire window both protect the skin during laser treatments, and work better with water or gel, especially for darker skin.
14 citations
,
January 2017 in “Skin appendage disorders” Simvastatin/ezetimibe did not effectively treat severe alopecia areata and caused side effects in some patients.
13 citations
,
March 2020 in “Frontiers in cell and developmental biology” A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
13 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
12 citations
,
July 2019 in “Acta Neurologica Belgica” Levodopa for Parkinson's disease might be linked to skin issues like melanoma, but it's unclear if the drug or the disease causes them.
12 citations
,
November 2014 in “PLOS Computational Biology” The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.
11 citations
,
October 2018 in “The Journal of Dermatology” Decorin helps keep hair follicle stem cells and may prevent age-related hair loss.