A New Discovery

Daryl’s FIT TIP of the Day:
Exercise scientists are always researching new metabolic pathways in body to learn more about the effects of exercise on overall health of bodily systems. There have been many hormones discovered over the centuries that are well established in the medical world, the BIG three are testosterone, growth hormone, and insulin. These three hormones are considered to be the most important anabolic hormones in the body. However, there is a new hormone that has been discovered that might just be the missing link in the anabolic equation— IRISIN (FNDC5).

Irisin has been researched extensively since 2012 and is considered to be an “exercise hormone” that when released helps in the metabolism of fat within muscle cells, and also helps in the production of mitochondrial biogenesis. The mitochondria is the “powerhouse” of energy production in the body. The bigger and more active mitochondria that are present the more energy you have.

Though there still needs to be more research on the actual health benefits of Irisin it is apparent that Irisin is only activated during exercise. Sedentary living does not show any increase in Irisin levels, which proves that sedentary living does little to improve fat metabolism, sedentary living influences the storing of fat rather than the elimination of fat.

Irisin could be the missing link to obesity. I look forward to reading more about Irisin as more research is conducted. I will keep you posted on this new and exciting hormone discovery.

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