Association of premature hair graying with family history, smoking, and obesity: A cross-sectional study

Shin, Hyun Sang; Ryu, Hyeong Ho; Yoon, Junghee; Jo, Seongmoon; Jang, Sihyeok; Choi, Mira; Kwon, Oh Sang; Jo, Seong Jin

doi:10.1016/j.jaad.2014.11.008

Cited by 55 publications

(90 citation statements)

References 24 publications

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“…New and effective methods such as hair transplanting are being used with logistical and technical limitations [14]. Consistent with previous reports, a positive family history was the strongest predictor of PHG [7,13]. Childhood malnutrition was the second most reported risk factor common among the sufferers.…”

Section: Resultssupporting

confidence: 75%

“…In the quest to search for preventable risk factors leading to or associated with PHG, some studies have proposed smoking and other forms of tobacco use, a positive family history, UV radiations and medical and illicit drugs as independent risk factors [6][7][8] while other studies contradict this view [9]. Hair plays a vital role in the physical appearance and identity and has a further covert role in social communication.…”

Section: Introductionmentioning

confidence: 99%

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Premature Hair Graying: Profiling the Scalp Anatomical Patterns of Occurrence in Tanzania

Russa¹,

Haonga²,

Mboneko³

2017

IJAR

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Introduction: Premature hair graying (PHG) is a relatively common condition affecting up to 50% of the young people before age 30. Hair graying has adverse effects on self esteem, socio-cultural acceptance and may lead to social stigma and discrimination. Studies have linked PHG with a variety of underlying ill-health conditions such as myocardial infarction, cancer, osteopenia, stroke and cirrhosis. In Tanzania and indeed in Africa at large, PHG is rarely studied. The present study aimed to describe the pattern of onset and anatomical distribution of premature hair graying among the young adult sufferers.

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Section: Resultssupporting

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Premature Hair Graying: Profiling the Scalp Anatomical Patterns of Occurrence in Tanzania

Russa¹,

Haonga²,

Mboneko³

2017

IJAR

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“…Hair graying is a complex process considered to be mainly genetic, with several other influencing factors. Similar to skin aging (where exogenous and endogenous forms of aging are distinguished), hair graying is also influenced by genetic as well as environmental factors that act on the hair follicle stem cells, as well as on the hair melanocytes .…”

Section: The Process Of Graying Of the Hairmentioning

confidence: 99%

Histopathology of aging of the hair follicle

Fernández-Flores

Saeb‐Lima

2019

J Cutan Pathol

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Hair follicles experience several changes with aging, the most noticeable of which is graying of the hair shaft due to loss of melanin. Additional changes in the diameter and length of the hair have contributed to the concept of senescent alopecia, which is different from androgenetic alopecia according to most. Graying happens in most individuals, although in different grades and starting at different ages. It is related to a decrease in the number and activity of the melanocytes of the hair bulb, which eventually completely disappear from the bulb of the white hair. Residual non-active melanocytes remain in the outer root sheath and in the bulge, which allows for repigmentation of the hair under certain stimuli or conditions.

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“…This hair trait may increase insulation to compensate for the sunlight absorption and heat-trapping effects of pigmented hair. 1 Maternal and paternal PHG 22,23 Two cross-sectional studies found family history of PHG as a risk factor for PHG.…”

Section: Characteristics Of Gray Hairmentioning

confidence: 99%

“…Smoking [23][24][25][26][27] Smoking and the use of other tobacco products (e.g., gutka and straight chewing tobacco) were reported to be associated with PHG. 27…”

Section: Hair Loss 22mentioning

confidence: 99%

A review of the etiologies, clinical characteristics, and treatment of canities

2019

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Hair pigmentation is regulated by follicular melanogenesis, in which the process consists of melanin formation and transfer to keratinocytes in the hair shaft. Human hair follicles contain two types of melanin: the brown‐black eumelanin and yellow‐red pheomelanin. Eumelanin is commonly present in black and brown hair while pheomelanin is found in auburn and blonde hair. Hair follicle melanogenesis is under cyclical control and is concurrently coupled to hair growth. Many factors including intrinsic and extrinsic factors affect the follicular melanogenesis. Though many studies have been conducted to identify the pathogenesis and regulation of hair pigmentation, the etiology of canities and hair pigmentation is still unclear. The pathogenesis of canities or gray hair is believed to occur either from insufficient melanin formation due to melanocyte degeneration or a defect in melanosomal transfer. Canities is an aging sign which often interferes with one's socio‐cultural adjustment. On the other hand, premature canities correlate with diseases such as osteopenia and cardiovascular disease. Risk factors associated with canities are not only genetic but also external causes. For example, smoking, alcohol consumption, and stress are among the most common factors. Camouflage techniques are still used as the primary treatment of canities. Further treatments for canities are being developed to achieve the true reversal of hair pigmentation.

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Association of premature hair graying with family history, smoking, and obesity: A cross-sectional study

Cited by 55 publications

References 24 publications

Premature Hair Graying: Profiling the Scalp Anatomical Patterns of Occurrence in Tanzania

Premature Hair Graying: Profiling the Scalp Anatomical Patterns of Occurrence in Tanzania

Histopathology of aging of the hair follicle

A review of the etiologies, clinical characteristics, and treatment of canities

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