May 15, 2017

People age at different rates and individuals with the same chronological age vary widely in terms of health and function. Biological age describes the difference between the population cohort average life expectancy and the perceived life expectancy of an individual o the same age. Essentially it is an indication of how well your body is functioning relative to your calendar age.

Biomarkers commonly used to determine biologic age such as diet, stress levels, alcohol consumption, education levels, sleep patterns, sexual habits, blood pressure, resting heart rate strength and mobility.

Should patterned hair loss also be considered to be a phenotypic marker of biological ageing?

Sinclair Scale for Grading Female Pattern Hair Loss
Fig. 1. Sinclair Scale for Grading Female Pattern Hair Loss. Stage 1 is normal. Stages 2-5 represent the appearance of progressive scalp hair loss in women when the scalp is viewed from above.


Men and women both lose hair progressively with advancing age and men and women with premature hair loss appear prematurely aged. Men and women with premature hair loss also have an increased risk of death overall and in particular from diabetes mellitus and heart disease that persists after adjusting for the known association between patterned hair loss and metabolic syndrome.

Click here to read more in the article published on 15 May 2017 by Professor Rodney Sinclair.

Title image copyright: adamgregor / 123RF Stock Photo


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