Monday, 13 April 2015

Cortisol - stress hormone

If you're stressed you probably have high levels of cortisol. Here are some reasons why you might need to change your lifestyle to give your body a helping hand to deal with this stress hormone.

Negative effects of Cortisol

cited from http://www.castanet.net/news/Natural-Health-News/63064/Negative-effects-of-Cortisol

Cortisol is a hormone that is absolutely crucial for life. Without it we would not be able to survive. However, when we live in chronic strain, worry, and stress, the adrenal glands produce relatively high amounts of cortisol. The problem with cortisol is that our bodies are not meant to be exposed to these relatively high amounts for long periods of time. However, many people who have stress as an obstacle to cure are experiencing the negative effects of cortisol.
  1. High cortisol decreases immunity. Cortisol is a corticosteroid and like prednisone, cortisone, and beclomethasone, it inhibits the actions of white blood cells. Initially, this usually leads to increased susceptibility to infections. Eventually, this may actually lead to long stretches of time without colds because the immune system is so weakened.
  2. High cortisol increases abdominal fat deposition. For reasons still unknown, high levels of cortisol induce the body to lay down adipose tissue in the abdomen and upper back/neck. In fact, for those people affected it is next to impossible to lose abdominal fat without addressing stress.
  3. High cortisol breaks down muscle, bone, and connective tissue. Cortisol is a gluconeogenic hormone. Gluconeogenesis is a process that creates sugar from existing tissue. Cortisol promotes the breakdown of muscle, bone, and connective tissue in order to increase blood sugar for the brain.
  4. High cortisol inhibits thyroid hormone activation. The thyroid gland makes 2 major hormones; thyroxine (T4) and triiodothyroine (T3). It predominantly makes T4, which is actually an in-active hormone. T4 is carried in the bloodstream and eventually hits a receptor on or in a cell and becomes activate to T3. High cortisol inhibits this conversion and thus creates a form of hypothyroid.

"...our own biology—which was designed to insure our survival as hunters and gatherers—is sabotaging our bodies and minds in a sedentary digital age. What can we do to defuse this time-bomb?"
cited in the article here: 
https://www.psychologytoday.com/blog/the-athletes-way/201301/cortisol-why-the-stress-hormone-is-public-enemy-no-1

2 comments:

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Jaxon Dakin said...

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