August 2014 in “Chinese Journal of Dermatology” This study found that scalp psoriasis in China commonly affects the forehead hairline, is worsened by seasonal changes, and often negatively impacts patients' quality of life.
January 2014 in “Chinese Journal of Disaster Medicine” In this study, the nutritional intake of the China International Search and Rescue Team during the Pakistan floods was inadequate, with significant deficiencies in protein, energy, fats, and minerals like calcium and vitamins, leading to a high rate of malnutrition and health problems.
July 2013 in “Hair transplant forum international” This article discusses ISHRS regional workshops for hair restoration, highlighting their appeal to both newcomers and seasoned professionals, but reports no new clinical findings.
August 2004 in “Veterinary Dermatology” This study concluded that sex, nutrition, and season did not affect the general quality of the hair coat in housed European short-haired laboratory cats, particularly in terms of hair regrowth.
127 citations
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January 2015 in “Journal of Biological Rhythms” This review discusses the role of the circadian clock in skin functions such as cell proliferation and UV protection and reports no new results; the authors note its potential in studying immune regulation and seasonal behaviors.
20 citations
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January 1995 in “Cells tissues organs” The researchers reported that exposure to long days after short-day treatment induced a synchronized, out-of-season wool growth cycle in New Zealand Wiltshire sheep, similar to cycles induced in other species.
14 citations
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February 2013 in “Veterinary dermatology” This study reports that alopecia areata is a rare and typically cosmetic condition in horses, affecting breeds such as Appaloosas and quarter horses, with a possible seasonal pattern of worsening in spring and summer.
12 citations
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June 2023 in “Journal of trace elements in medicine and biology” This study identified dose levels of selenium that can produce toxicity, noting that doses as low as 2-3 µg Se/kg bw/day can lead to adverse effects, and a human mortality study linked 300 µg/day consumption to increased death risk.
8 citations
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September 2020 in “Journal of Cosmetic Dermatology” This study observed an increased preference for follicular unit excision over follicular unit transplant in hair restoration and highlighted a rise in demand for both surgical and nonsurgical treatments, aligned with Google search trends.
5 citations
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October 2021 in “Scientific Reports” This study suggests that certain climate factors, particularly UV index and precipitation, may influence seasonal flare patterns in children with alopecia areata, especially those with atopic conditions.
4 citations
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August 2008 in “Plastic & Reconstructive Surgery” This study reports that the composite galeal frontalis pericranial flap can be successfully used for reconstruction in anterior cranial base surgery, effectively sealing cerebrospinal fluid leaks, while minimizing complications like numbness and skin necrosis.
2 citations
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December 2024 in “International Journal of Pharmaceutics” In animal studies, this research found that minoxidil-loaded air-pocket microneedles improved hair loss treatment efficiency compared to topical application, while effectively sealing punctured skin openings.
2 citations
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March 2011 in “Veterinary Dermatology” This study identified fibroblast growth factor 18 in various components of canine hair follicles and other tissues, but found no significant differences in its presence across seasons, body regions, or sexes in beagle dogs.
1 citations
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October 2025 in “Scientific Reports” This study investigated the Mandarin duck as a model for understanding lifelong developmental changes, finding that male sail feather morphogenesis involves a combination of local morphogenetic programs, epigenetic regulation, and hormonal cues, with increased female estrogen levels observed before the mating season.
January 2025 in “Scientific Reports” This study explored 25-hydroxyvitamin D3 levels in hair samples from participants in Aberdeen and suggested potential links between hair vitamin D levels, seasonal UVB exposure, and marine diet in both modern and archaeological contexts.
January 2025 in “Conservation Physiology” This study developed and tested two methods to accurately quantify hair growth rates in polar, black, and grizzly bears using dye application and isotopically labelled amino acids, revealing growth rate variations by individual and season.
May 2026 in “Comprehensive Psychoneuroendocrinology” This study evaluated factors influencing hair steroid concentrations in early infancy, finding small effects from birth mode, season, and age-related changes, suggesting hair analysis as promising for assessing long-term endocrine activity.
January 2026 in “Phaidra - Repository of the University of Veterinary Medicine, Vienna” In this study, researchers assessed cortisol levels in wolves by comparing hair and fecal samples and found a significant correlation, indicating that hair cortisol accurately reflects systemic levels, but season and body region affect results.
January 2026 in “International Journal of Advanced Biochemistry Research” Among calves under one year in Uttarakhand, India, this study found that dermatophytosis prevalence was influenced by age, sex, breed, and season, with the highest rates in 4-6 month-olds, females, HF crossbreds, and during winter.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” This study outlines how combined ultrasonic and infrared hair treatments may enhance hair restoration and performance by breaking down keratin disulfide bonds for better treatment access and sealing cuticle scales to preserve improvements, with potential applications in salon and home settings.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” In this study, researchers observed that telogen hair was more prevalent than anagen hair in both male and female agoutis over a one-year period in Teresina-PI, regardless of dry or rainy seasons, with no significant differences in dermal follicular volume between the sexes.
This study reports that alternative cancer clinics spent over $15 million on Google ads in the past decade, directing 44.4% of their website traffic from these ads, which targeted sensitive search queries of cancer patients seeking alternative treatments.
November 2024 in “Skin Appendage Disorders” This study analyzed Google Trends data to explore public interest in various alopecia-related terms from 2018 to 2023, finding that search volumes for "androgenetic alopecia" and "frontal fibrosing alopecia" increased, while other terms remained stable, with notable geographic variations in search interest.
September 2024 in “Journal of the American Academy of Dermatology” This study assessed the impact of a New York Times article on consumer interest in androgenetic alopecia treatments by surveying dermatologists about practice trends and analyzing online search data related to low dose oral minoxidil and hair loss from February 2022 to February 2023.
July 2023 in “Indian Journal of Postgraduate Dermatology” In this review, the authors discussed optimal resources and books for dermatology residency training, identifying useful materials by conducting a Google Book search and incorporating their own experiences to recommend an ideal book set for MD students.
November 2019 in “Hair transplant forum international” This article discusses the evolving standards for providing written guarantees in hair restoration surgery advertising, and reports no new results; the authors highlight the impact of internet-based patient searches.
This study examined patients visiting a dermatology clinic at a secondary health facility and identified the ten most common skin disease groups among them, considering factors like clinical diagnosis, age, gender, and seasonal variations.
January 2015 in “Zurich Open Repository and Archive (University of Zurich)” This study found no significant difference in anagen rate improvement between the CYP-based dietary supplement and placebo in women over 60 with telogen effluvium, possibly due to variable patient inclusion related to hair growth seasonality.
March 1994 in “Proceedings of the British Society of Animal Production” This study investigated hair fibre growth in Angora and Cashmere goats, finding differences in growth rates and seasonal dependencies, and examined the effects of prolactin and melatonin on protein deposition in hair follicles.
In this study, minoxidil 2% produced satisfactory esthetical results in about 30% of patients, but placebo-treated subjects experienced increased hair counts without a cosmetic benefit, possibly due to seasonal variations and hair classification issues.