501 citations,
October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
198 citations,
April 2020 in “Journal of Endocrinological Investigation” The virus was not found in the semen and urine of a man who tested positive for COVID-19.
106 citations,
September 2010 in “Stem cells” Skin-derived precursors in hair follicles come from different origins but function similarly.
72 citations,
December 2018 in “Journal of Experimental Zoology Part B Molecular and Developmental Evolution” Corneous beta-proteins evolved uniquely in reptiles and birds, forming scales, claws, beaks, and feathers.
64 citations,
August 1999 in “The American journal of medicine” The transscrotal testosterone patch normalizes hormone levels in men with AIDS and weight loss but does not improve weight, body mass, or quality of life.
62 citations,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
61 citations,
March 2009 in “The Journal of the American Board of Family Medicine” Early diagnosis and treatment of discoid lupus erythematosus improve outcomes.
55 citations,
June 2007 in “Journal of Statistical Planning and Inference” The flexible fixed-sequence testing method allows for more effective evaluation of multiple goals in a clinical trial while controlling the risk of false positives.
52 citations,
June 2009 in “Clinical Toxicology” Polonium poisoning is diagnosed by detecting it in urine and feces, and treated with supportive care, infection prevention, and chelation therapy.
41 citations,
October 2012 in “Australian and New Zealand Journal of Psychiatry” Negative expectations can cause adverse effects in patients even without active treatment, and managing this nocebo effect involves better communication and patient-clinician relationships.
40 citations,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
37 citations,
December 2007 in “International journal of clinical practice” Hirsutism is excessive male-pattern hair growth in women, often caused by hormonal imbalances, and requires ongoing treatment to manage.
36 citations,
April 1990 in “Dermatologic Clinics” Most pregnant women experience skin changes like darkening and stretch marks, and some may have skin conditions that usually get better after giving birth.
33 citations,
February 1996 in “Journal of The American Academy of Dermatology” Treat scalp and beard fungal infections early with oral antifungal medication and sometimes topical therapy, avoiding unnecessary allergy tests and surgery.
31 citations,
January 2016 in “Drugs - Real World Outcomes” Some new oral anticoagulants may also cause hair loss and might not be better than traditional ones for preventing hair loss.
29 citations,
May 2011 in “Journal of Cataract and Refractive Surgery” Finasteride may cause cataracts and floppy-iris syndrome.
29 citations,
November 1975 in “Clinics in endocrinology and metabolism” Testosterone is made by Leydig cells, is active when not bound to proteins, and works by binding to receptors in muscles and other tissues.
28 citations,
August 2003 in “Nature” Cosmeceuticals may have potential but their effectiveness and market success are still uncertain.
28 citations,
March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
23 citations,
January 2016 in “Contact Dermatitis” Allergies to some essential oils may not be found with standard fragrance tests.
23 citations,
June 2005 in “Journal of cosmetic dermatology” Men with hair loss may have lower self-esteem and could benefit from treatment and psychological support.
22 citations,
March 2018 in “International Ophthalmology” Taking tamsulosin or finasteride and being older increase the risk of floppy iris during cataract surgery.
21 citations,
April 2016 in “International Journal of Dermatology” Metabolic syndrome linked to female hair loss; waist size and high blood pressure important factors.
21 citations,
January 2009 in “Indian journal of dermatology, venereology, and leprology” Vitamin B12, folate, ferritin, and iron levels are not linked to alopecia areata.
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,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
19 citations,
July 1994 in “Journal of Dermatological Science” Human hair keratin genes are similar to mouse genes and are specifically expressed in hair follicles.
19 citations,
September 1989 in “Journal of The American Academy of Dermatology” Minoxidil treatment may cause hair loss.
18 citations,
March 2006 in “Expert Review of Neurotherapeutics” The document concludes that managing side effects of MS therapies is crucial for treatment success and patient adherence.
15 citations,
June 1961 in “Archives of Dermatology” Triamcinolone can regrow hair in alopecia areata, but the effect is temporary.