#mitochondria

 
It's True: Hair Does Turn Grey With Stress, but It's Reversible!A new study by researchers at Columbia University Vagelos College of Physicians and Surgeons showed that the old saying that stress causes grey hair is actually true.And best of all, the graying is reversible as once the source of the stress is eliminated, the stress-induced gray hair can return to its old color.The culprit that caused graying hair? Blame the mitochondria:To better understand how stress causes gray hair, the researchers also measured levels of thousands of proteins in the hairs and how protein levels changed over the length of each hair.Changes in 300 proteins occurred when hair color changed, and the researchers developed a mathematical model that suggests stress-induced changes in mitochondria may explain how stress turns hair gray."We often hear that the mitochondria are the powerhouses of the cell, but that's not the only role they play," Picard says. "Mitochondria are actually like little antennas inside the cell that respond to a number of different signals, including psychological stress."#hair #greyhair #stress #mitochondriaView the full video clip below:
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