People in India who start getting gray hair earlier than usual tend to have higher levels of a thyroid hormone marker in their blood, even if they don’t feel sick or show other signs of thyroid...

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Evidence from Studies

Supporting (1)

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Demographic Characteristics and Association of Serum Vitamin B12, Ferritin and Thyroid Function with Premature Canities in Indian Patients from an Urban Skin Clinic of North India: A Retrospective Analysis of 71 Cases

Case-Control Study

Human

2017 May-Jun

Contradicting (0)

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No contradicting evidence found

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Source Study

Demographic Characteristics and Association of Serum Vitamin B12, Ferritin and Thyroid Function with Premature Canities in Indian Patients from an Urban Skin Clinic of North India: A Retrospective Analysis of 71 Cases

Score: 28

DOI: 10.4103/ijd.IJD_221_17

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In people with mild thyroid underactivity, higher levels of TSH are linked to higher ratios of neutrophils to lymphocytes, which may reflect increased systemic inflammation.

70%