In popular culture, the heart is often considered to be the seat of our emotions. We love and grieve with our hearts. From a biological point of view, we understand the heart as the organ that pumps blood through our bodies. But there is something more than that to the heart. I know I am not the only one who has experienced chest pain due to a stressful situation. I was too young to really worry that it was heart disease, but did still consider that possibility because of my family history. Ultimately, I made some changes in my life and the chest pains went away completely. The reason for this phenomenon is that stress changes the signals that the heart gets from the brain. While theses signals might be useful if we need to run from a bear, they can be detrimental when we are sitting at a desk.
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