![]() ![]() Nitric oxide is a key component of our immune system, and when production slows, we become much more susceptible to colds and the flu. In addition to an increased heart rate, and increased muscle tension, Nitric oxide production is slowed or stopped all together. However, when we are held in a state of fear, our stress levels remain elevated. Our bodies are designed such that the stress response typically lasts less than 90 seconds. Hormone levels return to normal and the body can return to a relaxed state. When the danger passes, the amygdala relinquishes control back to the ‘thinking brain’, which returns to the parasympathetic division. This is essential because, when in danger, there is no time to think about what to do – you have to react. Because the amygdala can react much faster than the ‘thinking brain’, this process is sometimes referred to as an amygdala ‘hi-jack’. This allows you to move quickly when you step out onto the street and you realize a car is coming. Hormones like epinephrine (adrenaline) are immediately released that flood your body. When it senses danger, it’s job is to shut off the thinking brain and revert to the emotional brain and memory to react. The Amygdala largely runs the sympathetic nervous system. Parasympathetic division, which is the relaxed state where you rest and digest.It’s purpose is to protect us, and to keep us safe from all danger, real or imagined. Sympathetic division, commonly known as the fight or flight response.One division takes control, and the other yields. The autonomic nervous system has 2 divisions that work like a teeter-totter. ![]() Let’s take a look at the software that handles stress or relaxation. The Dance of the Autonomic Nervous System Voting will close on April 1, and the winner will be announced on April 2. One voter selected at random will also win a $50 gift certificate. Our panel of judges will then choose our favourites, and in the March 19 newsletter, everyone will have an opportunity to vote for their favourite.
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