November 2022 in “IntechOpen eBooks” Hair loss can significantly impact a person's mental health, causing issues like anxiety and depression, and stress can trigger hair loss.
3 citations,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
2 citations,
May 2021 in “Scientific Reports” Stress is likely causing hair loss in Formosan macaques.
December 2024 in “Biomedical & Pharmacology Journal” Hair Tonic A, with white tea extract, is better for improving hair health.
Hair proteins in preschool children and their mothers could indicate developmental changes and health status.
1 citations,
August 2023 in “Animals” Chimp Haven uses a special system to check and improve the well-being of their chimpanzees, which could help other animal sanctuaries too.
Stress significantly contributes to hair loss, especially in women and those aged 31-40.
November 2021 in “Egyptian Journal of Medical Microbiology” COVID-19 protective measures led to skin irritation, hair loss, and brittle nails; using skin-friendly products and a healthy diet is recommended.
10 citations,
May 2018 in “Forensic Science International” Shrunken heads retain some facial features and hair characteristics, allowing for limited individual identification.
19 citations,
March 2021 in “Obesity surgery” Many people experience hair loss after weight loss surgery, especially younger women, and it's linked to lower levels of zinc, folic acid, and ferritin.
April 2024 in “Journal of wildlife diseases” Muskox hair growth rates vary widely, so a single growth rate can't be used for all populations.
January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.
March 2022 in “Journal of drug delivery and therapeutics” Sea hibiscus leaf extract at 30% concentration in a hair tonic significantly increased hair growth in guinea pigs.
December 2023 in “Advances in economics, management and political sciences” Consumers prefer general hair care products over those specifically for hair loss.
16 citations,
January 2019 in “Neuropsychobiology” People with Lichen Planopilaris tend to be more depressed, have lower self-esteem, and a worse quality of life.
74 citations,
March 2006 in “Journal of Chromatography B” Hair analysis is promising for detecting drug misuse in livestock.
10 citations,
November 2015 in “American Journal of Primatology” Monkeys with more anxious or inhibited temperaments tend to have less hair loss.
February 2024 in “Medicina-lithuania” Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.
2 citations,
December 1995 in “Pediatrics” Infant hair loss is usually temporary and grows back without treatment.
5 citations,
May 2017 in “Journal of the European Academy of Dermatology and Venereology” The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.
8 citations,
April 2020 in “European Journal of Nutrition” Newborns' hair shows how much caffeine their mothers drank during pregnancy.
25 citations,
May 1972 in “Canadian journal of zoology” Black-tailed deer have four types of pelages and molt twice a year.
7 citations,
June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
May 2022 in “Hormones and behavior” Prairie dogs with fewer neighbors are more stressed but their number of babies isn't affected.
42 citations,
November 2019 in “Frontiers in Endocrinology” The document suggests creating a validated score to diagnose Cushing's Syndrome and considers plasma steroid profiling as a simpler diagnostic method.
March 2023 in “International Journal of Applied Pharmaceutics” The β-sitosterol hair gel is effective and promising for treating hair loss.
7 citations,
March 2021 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Blocking prolactin increases the activity of secondary hair follicles in cashmere goats.
February 2023 in “Malaysian Journal of Science. Series B, Physical & Earth Sciences” Analyzing bear poop helps measure their stress without harming them.
March 2024 in “Animal nutrition” Adding both soluble and insoluble fibers, especially beet pulp, to the diet of pregnant sows helps improve their health and the growth of their piglets in hot weather.
1 citations,
November 2023 in “Brain and behavior” Spironolactone improved cognitive performance and early sleep quality but not manic symptoms, appetite, or body weight in bipolar disorder when added to sodium valproate.