https://www.hghprescription.com/chronic-stress-can-lead-to-hair-loss-new-research-reveals-how
Stress is the body's way to manage immediate threats to survival. While many hormones, chemical reactions, and nervous signals are associated with stress, Cortisol is the hormone most centrally involved in the sensation of stress. Stress is designed to get us out of tricky situations and back to a state of safety and balance. Cortisol is an absolutely necessary component of the hormone cascade, but it is also very prone to imbalance. This imbalance manifests in many ways but is most recognizable as Chronic Stress.
Stress Changes Physiological Priorities
Stress puts the human body and mind into fight-or-flight mode, which is a higher state of vigilance that prepares us to make split-second decisions and actions which serve to protect us in the present. While these physiological changes greatly help us concerning immediate threats, it comes at the expense of our long-term wellness. In ideal circumstances, the influence of stress is brief and fleeting, but human evolution, combined with the fast pace of the modern world, puts us in a position where we are faced with constant stress, which depletes vitality.
Cortisol and Hormone Imbalance
The effects of chronic stress are widespread. For example, the over-production of Cortisol comes at the expense of other critical hormones, such as Testosterone and Human Growth Hormone. Stress depletes levels of hormones essential to our long-term survival. Stress also leads to various issues related to fatigue, depression, and lack of energy.
Why Does Stress Lead to Hair Loss?
Along with all these other negative impacts, Chronic Stress is strongly associated with hair loss. While stress and hair loss have been associated with one another for quite a while, we're just beginning to learn the specific mechanisms which cause stress to induce hair loss in men and women.
The cycle of hair growth occurs in three phases. Hair grows from the follicle until it reaches a certain length (anagen phase). Then hair growth stops, and the base of the hair degrades (catagen phase). Finally, the hair is lost, setting the stage for new growth (telogen phase).
Hair growth is triggered by the activity of Hair Follicle Stem Cells. These stem cells contain the instructions for hair growth. During the telogen phase, these cells are inactive. It's been hypothesized that stress prevents Hair Follicle Stem Cell activity, and recent research begins to explain why. Harvard University researcher Doctor Ya-Chieh Hsu was the leader of this investigation, which was published in the science journal Nature in March.
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