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Genetics and Mood

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Your DNA is the fundamental software for how your body creates proteins, enzymes, and chemicals such as neurotransmitters, as well as how all of these things are broken down. Some people experience depression because their genes code differently than other people, and they are unable to form the neurotransmitters needed; they form abnormal molecules which cause problems with mood; their genes require higher level of certain nutrients to carry out processes; or the genes may simply impair a person’s ability to break down certain chemicals efficiently. However, even though the DNA you are born with is permanent, there are ways to support your genes to improve their effect on your mood.

Usually when we discuss the genetic components of mood, we are referring to SNP’s (or Single Nucleotide Polymorphisms) which are variations in the coding of a gene that create a slight change to how the end product is built, and therefore how efficiently or inefficiently it works.   

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Did You Know?

  • A SNP involving COMT or MAO determines how quickly your body can break down epinephrine and norepinephrine (fight or flight chemicals), and whether or not your body maintains a higher level of these adrenaline compounds causing a highly anxious state. 

  • MTHFR, one of the most famous SNPs, has a strong effect on mood due to buildup of a normal but inflammatory blood compounds which inflame the brain and neurological tissues. 

  • Your genes also control histamine production, which is strongly associated with depression, anxiety, and obsessive compulsive disorders.

  • Some people produce abnormal kryptopyrroles, which scavenge and bind to certain nutrients that are critical for neurotransmitter formation.

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