Nail biting, also known as
Onychophagia, is the severe habit of biting someone’s nail. Now almost everyone
has does this before, in fact “about half of all children between the ages 10
and 18 bite their nails at one time or another”, according to WebMD. Nail
biting becomes a problem when an individual continues the habit into their
later ages and causes significant nail and psychiatric damage. The psychiatric
damage is not the typically definition people would think of, but more similar to
Obsessive Compulsive Disorder (OCD). Many scientist today believe that nail biting
is a spectrum of OCD in that its caused by an unnaturally strong urge to groom
oneself. OCD is characterized by “persistent, intrusive, and
distressing obsessions (persistent thoughts, impulses, or images) or
compulsions (repetitive, excessive behaviors or mental acts)”, which basically
means that a person with this disorder has strong compulsions to do whatever
task makes them tick. OCD is believe to be caused by “alterations in the serotonin
and dopamine signaling.” Serotonin and dopamine are both neurotransmitters
found in the brain that have to do with the mood of an individual. Low levels
of Serotonin has been linked to depression and dopamine is release when “something
good happens unexpectedly”, such as the familiar sight of the free edge (cite
what that is).
Even though there has been no scientific evidence
to back up the theory that Onychophagia is a spectrum of OCD, I find this to be
the most accurate explanation of why someone, or me in this case, bites their
nails. After biting my nails for a majority of my life, I have found that the
sight of bitable nail causes me to have the greatest urge to just get rid of
it. As my nails get longer I find myself constantly inspecting them for any
excuse to bite off the free. Also the urge to masticate increases exponentially
the longer my nails grow. I am not used to them being long and one day after
about a week I couldn’t stop the urge to bite one nail, just one nail. The satisfaction
of biting the nail granted me a feeling
of euphoria, but more importantly it got rid of my urges. However this example
shows me that it will be harder than I thought to stop this habit cold turkey.
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