Unsure About Why Your Hair Is Going Grey? Scientists Might Have Found The Answer
New Delhi: Premature greying hair is unfortunately a common problem these days and doctors continue to blame it on nutritional deficiencies or genetic factors. Conventionally, grey hair occurs due to ageing as melanin production goes down over time. But according to scientists, there could be more to it stem cells vital to maintain hair colour can get stuck as people get older. And the new studys findings could also pave the way to not just prevention but even reversing greying of hair. As per experts from New York University, the new findings add to the basic understanding on how melanocyte stem cells work to give hair their colour. As per the new mechanisms, there is a possibility that the same fixed positioning of melanocyte stem cells can exist in humans. It could also offer a pathway for preventing and reversing greying of human hair by helping jammed ells move between hair follicle compartments.Why does hair start to go grey? Hair usually starts to slowly lose colour from 35 years of age while this can occur earlier as well. Colour produced at the hair follicle, pores around the root of hair, does not change the colour once hair starts to grow. With age, these follicles fail to produce enough pigment, as a result, once hair dies and regrows, it does not change the colour. So far, there is no treatment that can prevent or reverse greying of hair which is why people rely on synthetic hair colours. Published in the Nature journal, the study looked at how stem cells can affect follicles ability to produce colour. During normal growth of hair, cells continuously move back and forth during transition between compartments of developing hair follicles. But as hair ages and grows back, the number of melanocyte stem cells gets stuck in the stem cell compartment resulting in a bulge and preventing colouring. The loss of such function in the stem cells could take blame for loss of hair colour and greying. Findings suggest that such stem cell motility and reversible differentiation could be key to keeping hair coloured and healthy. Disclaimer: Tips and suggestions mentioned in the article are for general information purposes only and should not be construed as professional medical advice. Always consult your doctor or a dietician before starting any fitness programme or making any changes to your diet.
Thursday, April 20, 2023 at 9:03 am