February 2019 in “Trace elements and electrolytes” Women with chronic hair loss had lower levels of zinc, copper, and ferritin than healthy women.
August 2017 in “Companion animal” Focal alopecia in dogs has many causes and requires various tests for accurate diagnosis and treatment.
36 citations,
July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
33 citations,
June 1995 in “International journal of legal medicine” Environmental factors can greatly reduce drug levels in hair.
30 citations,
January 2016 in “Journal of Pharmaceutical and Biomedical Analysis” The research found different metabolism changes in PCOS patients and suggested new potential markers for diagnosing PCOS with or without insulin resistance.
18 citations,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
17 citations,
January 2011 in “Skin Research and Technology” Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.
9 citations,
May 2020 in “Journal of Pharmaceutical and Biomedical Analysis” Method measures latanoprost and minoxidil in skin accurately and precisely.
8 citations,
May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
3 citations,
August 2012 in “Annals of Diagnostic Pathology” AIDS may cause changes in the scalp that increase infection risk and hair loss.
2 citations,
October 2000 The investigation found no work-related causes for employee hair loss at Equifax Payment Services, and the environment was not hazardous.
1 citations,
September 2017 in “Journal of Pathology of Nepal” Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.
April 2019 in “Journal of Investigative Dermatology” Young, lower-income men are more likely to visit the emergency department for severe sunburns, especially in the summer and on weekends.
49 citations,
January 2004 in “Dermatology” Men with a family history of hair loss are more likely to experience it themselves, especially if both parents have hair loss.
40 citations,
January 1996 in “Journal of Dermatological Treatment” Antimicrobial lotion reduces inflammation and increases hair density in hair loss patients.
34 citations,
March 2003 in “Veterinary Dermatology” Most dogs with alopecia had higher than normal levels of certain hormones, but hair loss might not always be linked to these hormone changes.
33 citations,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
16 citations,
December 2015 in “Journal of Investigative Dermatology” Alopecia areata involves persistent gene abnormalities and immune activity, even in regrown hair, suggesting a risk of relapse.
12 citations,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
5 citations,
July 2010 in “Journal of life sciences” Gray hair has more continuous medullation and a higher medullary diameter than black hair.
4 citations,
February 2018 in “Journal of Cosmetic Dermatology” Platelet-rich plasma injections made hair thicker for both men and women, with a greater effect in women.
3 citations,
December 2019 in “Biomaterials Research/Biomaterials research” Calcium and magnesium in hair increase with age and are higher in adult women.
1 citations,
October 2023 in “Frontiers in endocrinology” Regulating certain sex hormones may help delay facial aging.
1 citations,
January 2021 in “Springer Proceedings in Materials” Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.
February 2024 in “Research Square (Research Square)” People today have lower levels of arsenic, lead, cadmium, and iron in their hair than people did 100 years ago.
43 citations,
February 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
28 citations,
May 1998 in “Skin Research and Technology” Scalp flaps are stiffer than skin from other body areas, which helps in planning reconstructive and cosmetic head surgeries.
18 citations,
April 2018 in “Biotechniques/BioTechniques” A new method was developed to extract and analyze proteins from very short human hairs.
16 citations,
August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.