Harvard scientists have just discovered one of the main causes of baldness – BGR

We are all different in countless ways. From height to eye color, there are things that define who each of us is that generally cannot be changed. Sure, you can wear thick-bottomed shoes to gain a few inches in height or put on colored contact lenses, but baldness is something that most people simply accept as part of who they are. Hair loss is often inherited, which means that it is passed down from generation to generation, but it is not the only cause, and researchers have been working to find out how we can slow the progress of hair loss or even prevent it with certain interventions. .

Now, a new study by the same team of Harvard scientists that found clear links between stress hormones and premature aging of hair is back with another article. This examines the links between stress and hair loss, and the findings can be a big step toward developing treatments that prevent hair loss in certain individuals.

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Stress can have an incredible impact on our bodies and, for the most part, it is negative. Stress can affect sleep patterns, cognition and physical health in several ways. When it comes to our hair, stress hormones can cause hair follicles to start growing gray hair earlier than they would otherwise, and based on this new round of research, they can also cause hair follicles to shut down.

The study, which used mice as a model for hair growth, hair loss and regenerative capacity, found that hair follicle stem cells are quite sensitive. When they are thrown out of place, the phases of growth and rest between which the follicles normally circulate become deformed. The cells end up spending more time in the dormant state than they should and, as expected, hair loss and lack of growth follow.

As animals age, including mice and humans, hair follicles tend to spend more and more time in the resting phase, but the researchers were able to reverse that. They removed the stress hormones that affected the hair follicles and the hair started to grow faster, even in the older mice. Part of hair loss is related to age and genetics, but stress (or lack of it) can change things for better or worse.

“Therefore, even the baseline level of the stress hormone that normally circulates in the body is an important regulator of the resting phase,” Ya-Chieh Hsu, senior author of the study published in Nature, said in a statement. “Stress essentially just elevates that preexisting ‘hair follicle-adrenal gland axis’, making it even more difficult for hair follicle stem cells to enter the growth phase to regenerate new hair follicles.”

Removing stress from your life may be impossible, but the findings of this new round of researchers could lead to treatments that will boost hair growth or stop hair loss.

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