November 2024 in “Benha Journal of Applied Sciences” Reduced alpha smooth muscle actin may cause hair loss in androgenetic alopecia.
7 citations,
March 2022 in “Journal of the American Academy of Dermatology” Stress can trigger or worsen alopecia areata.
22 citations,
October 2021 in “Cold Spring Harbor Perspectives in Biology” Three types of stem cells help maintain and repair skin, responding to health and environmental changes.
8 citations,
April 2020 in “Facial Plastic Surgery Clinics of North America” Minoxidil, finasteride, and low-level laser light therapy are effective FDA-approved treatments for hair loss.
3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
37 citations,
April 2013 in “Plastic and Reconstructive Surgery” Genetic and environmental factors, like smoking and exercise, affect male hair loss.
1 citations,
April 2022 in “Toxicology and Environmental Health Sciences” The shampoo with salicylic acid, panthenol, and niacinamide is effective and safe for preventing hair loss in people with alopecia.
May 2022 in “Brazilian Journal of Health Review” COVID-19 infection can cause temporary hair loss due to stress, treatment drugs, psychological impact, and pandemic-related stress.
12 citations,
January 2002 in “Environmental and Molecular Mutagenesis” Smoking reduces antioxidants and causes DNA damage in hair follicles.
2 citations,
July 2021 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair shaft disorders are diagnosed through examination and history, with general care and some treatments offering improvement.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
September 2021 in “CRC Press eBooks” Dissecting cellulitis of the scalp is a condition that causes inflammation and scarring on the scalp, mainly affecting African-American men, and can lead to permanent hair loss.
6 citations,
June 2016 in “Experimental Dermatology” Frontal Fibrosing Alopecia is a poorly understood condition that is hard to treat and causes distressing hair loss.
21 citations,
November 2017 in “Livestock science” Nellore cattle have genetic variations linked to their adaptation to tropical environments.
109 citations,
January 1980 in “Science of the total environment” Analyzing trace elements in human hair is complex and needs a standardized method.
April 2015 in “Dentistry 3000” Premature hair graying in the face may be influenced by genetics and environment.
29 citations,
February 2019 in “Environment international” Higher early lead exposure is linked to delayed puberty in girls.
8 citations,
January 2003 in “Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy” Chemotherapy may cause recurring hair loss due to an autoimmune response.
March 2024 in “International Journal of Cosmetic Science” Dandruff is linked to increased T cells and weakened immune protection in hair follicles.
14 citations,
March 2016 in “PloS one” Spaceflight changes how genes work in astronauts' hair follicles, possibly affecting hair growth.
14 citations,
July 2016 in “Environmental Toxicology and Pharmacology” Cedrol may prevent hair loss caused by chemotherapy better than minoxidil.
44 citations,
November 2007 in “Journal of toxicology and environmental health. Part B, Critical reviews” Copper and zinc in hair can indicate health conditions.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
4 citations,
January 2024 in “Environmental Research” Using seaweed-based amendments improves soil quality and boosts rice growth and yield.
Improve ventilation and address environmental issues to reduce health complaints.
36 citations,
July 1980 in “Journal of Toxicology and Environmental Health” High doses of ethynylestradiol in rats caused growth issues, organ changes, and some tumors, but didn't increase overall tumor rates.
25 citations,
September 1977 in “Journal of Toxicology and Environmental Health” High doses of some contraceptive steroids cause health issues in dogs, but their relevance to humans is unclear.
24 citations,
July 1980 in “Journal of Toxicology and Environmental Health” High doses of norethindrone acetate in rats caused various organ changes but didn't significantly increase tumor rates.
September 2023 in “Environmental health perspectives. Supplements” Girls in Alcalá have higher hair calcium and strontium levels than boys, with lower overall levels than other regions.
The article suggests that patients with Frontal Fibrosing Alopecia may have more contact allergies, but it doesn't prove that allergies cause the condition.