Can greying of hair reversed finds new Study
A novel technique of quantifying current life history in hair pigment patterns may enable us to longitudinally investigate the impact of current life exposure to human bio-behavioral factors, suggests a study published in the eLife journal.
Greying of the hair greying is an obvious sign of aging that disturbs most individuals. Melanin, a pigment found in the skin, eyes, and hair is, responsible for imparting color to all of them. While the loss of hair color is caused due to the loss of melanin. There have been numerous studies in mice suggesting that mental stress may quicken hair greying, however, no such definitive research has been conducted on humans. The reason for this is because the unavailability of specific research tools to accurately map mental stress and hair color over time.
A study was conducted by Rosenberg et al. to demonstrate a new method to digitize and quantify physical timescales of rapid hair color dynamics to profile hair pigmentation patterns (HPPs) along individual human hair shafts.
The researchers found that white/grey hair naturally retrieved pigmentation among all sex, ethnicities, ages, and body regions, thus, quantitatively defining the reversibility of hair greying in humans. They also found that hair greying and reversal may occur in parallel with psychological stressors, through a combination of hair pigmentation patterns profiling and proteomics on a single hair.
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