We all know that stress and anxiety have a direct effect on our hair. Now researchers from Harvard University have also proved that living under excessive stress can lead to completely balding. A new study by Harvard University states that stress hormones affect the hair follicles, causing disturbances in the resting phase. While doing research on rats, researchers found that stress hormones stop the resting phase, due to which the growth of new hair stops for a longer time than usual. This study has been published in the journal Nature.
Hair Growth in Three Stages The life of a hair follicle is divided into three phases. The first growth phase - is in which new hairs continue to form continuously. The second resting phase- in which the hair remains in this state for some time before falling out. No new hair is produced in this phase. Third Degeneration Phase- In this, the hair follicle starts shrinking at the bottom of the hair before hair fall.
Cartococele is the big reason researchers conducted an experiment to understand the importance of the adrenal gland in hair growth. The stress hormone corticosterone is released from the adrenal gland itself, due to which hair fall accelerates. Researchers surgically removed the adrenal gland from the body of rats in the experiment. After a few days, the researchers found that the resting phase in these mice comes for a very short time and new hair starts growing very quickly. But when the dose of corticosterone was given to these mice, the hair growth started decreasing very rapidly.
Role of a particular type of cell After this the researchers did another experiment. Took some mice but did not remove the adrenal glands from them. In these healthy mice, the researchers administered corticosterone supplements over the course of nine weeks. In these mice, the resting phase started getting very long and hair growth stopped completely. Researchers found throughout the research that stress hormones stick to a type of dermal papillae cell under the hair follicle. It has an important role in stopping hair growth. Due to this, the follicle does not stay in the resting phase for a long time and the hair starts falling straight.