Anatomy Shared Article Research

This blog exists for the Anatomy students at Tree of Life Christian School. We will be reading various scientific articles, summarizing our research, and then commenting on others' summaries. We hope to broaden our view of the current research surrounding the human body, and to help others see how truly amazing the design of the human body is.

Sunday, January 07, 2007

Fasting (the oppositte of Feasting) How it affects the Brain??




When people fast for a cause they simply think that they won't eat. What folks don't realize is that there are a lot of things going on internally when going about the process. A lot of what fasting deals with is the mind, rather then the physical body; hence the phrase mind over matter. While the body is enduring this grueling process, some form of energy needs to be created from another source besides food. In the past scientists believed that neurons were kept alive thanks to a chemical called leptin produced by fats in the body. This study was shortly proved to be incorrect though when scientists started a fasting study on mice.
New research has proven that when a human starts fasting the amount of mitochondria rapidly increases. This is key to the body because these mitochondria produce the energy that the food normally would. The lack of food causes also a lack of thyroid hormones, which in turn regulate the metabolism. So now that there isn’t any outside source to energize the body, the brain must produce something that does. This chemical that the brain produces is called Triiodothyronie. Not only does this chemical produce protein for energy, but it also regulates the body’s temperature. Without this chemical the body wouldn’t have the heat source to keep the body alive. This is just one of many reactions that occurs in the brain during the fasting state.
While doing this article I started to realize even more about how in depth the brain really is. Whenever something irregular is going on in the body the brain almost always has something to counter it. The complexity of it all is amazing. I don’t think anyone will fully ever understand the fullness of it all.

2 Comments:

Blogger Curtis said...

This article explains how the brain keeps the body in homeostasis, which is something most people don't even think about because of how amazingly the brain accomplishes this. Chemicals in the brain provide more energy and regulate temperature. The ability of the brain to adjust to its environment is amazing. I liked how you explained what scientists orginally thought. I also think the complexity of the brain will be fully understood.

Wednesday, January 10, 2007 2:13:00 PM  
Blogger kslutsch said...

I think it is interesting when one is fasting and they think they are going to die but really it is all mental. But when one is fasting it seems that it regulates their metabolism. Then there is the regulation of the body temprteture and energy. This article seems like it would have been very interesting to read. I would never be able to fast for long because of how my body needs food just so I do not get sick.

Thursday, January 11, 2007 10:37:00 AM  

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