An addiction is a habitual or compulsive physiological or
psychological need for something. It is often characterized by a yearning that
affects daily routine and severe withdrawal symptoms. Withdrawal symptoms can
vary depending on the addictive stimuli, but frequently include low mood states
and low energy levels. The stigma of an addict is often a washed out drunkard,
and you couldn’t possibly fall into the same category as them, could you? Yes,
you can and do. Evolution has meant that most humans are innately geared or
conditioned to be addicted to certain things quite simply because it helps us
survive.
Human interaction – As social animals, we depend on one
another for financial, emotional and materialistic gain. Very few people would
be able to survive without assistance from farmers, shopkeepers, or
electricians. To ensure our survival, our brain has evolved certain mechanics
to keep us socialising. Every time we talk o someone or make physical contact,
our reward system is activated, causing a release of dopamine, essentially
making us feel happy. This association between happiness and humans conditions
us to seek out human interaction to emotionally fulfil us. Being deprived of
human interaction, especially in childhood, can have massively adverse effects
mentally and emotionally, and sometimes even physically as some abandoned children
are reported to unconsciously rock themselves, and spontaneously hit themselves
as an unintentional form of self harm. The seeking of human behaviour is
evident in our daily routines as we go to a club or chat with others for
seemingly no profit, and withdrawal symptoms can be detrimental. Human
interaction is the biggest addiction of all.
Sugar – Sugar is a carbon compound that we cannot live
without. Glucose (sugar) is essential for cells to respire, and therefore is
responsible for all of our actions, including moving and thinking! It is also
the trigger of a dopamine reward system that means when we consume sugary food,
like when we socialise, we become happier. It is the reason we comfort eat when
we’re sad and the reason maintaining a restricted diet is so hard – we crave
the high concentration of sugar found in chocolate bars. A sudden decrease in
sugar levels can cause people to become slightly moody. Although we are
essentially addicted to sugar, too much is very bad for you (for example,
causing diabetes) and must be eaten in moderation, and from a healthy source
such as fruit.
Laziness – Even in this day and age where we know exercise
is beneficial, we still elect to drive to work and are constantly developing
technology to do work for us, such as the un-manned vacuum cleaner. This is
another evolutionary hangover, as our ancestors did not always have a constant
food supply or heated homes, and therefore it was essential to find a short cut
for everything to restrict energy expenditure. Now, despite having an abundance
of nearly everything and knowing that mental and physical exercise is
essential, we often still strive to do minimal and expect reward or recognition
when we choose to do anything above that. If we do not get rewarded or are
forced to do more, we become stressed and often angry. It would appear that we
are in fact addicted to laziness.
Tanning – As UV rays damage skin cells, your body produces
beta endorphins, neurotransmitters created to numb pain and deal with stress.
This probably occurs because your body thinks it is being harmed (which it
is!). You then get addicted to the pleasurable sensation induces by
sun-bathing. Furthermore, sunlight that is detected by the eyes inhibits the
production of melatonin, which causes an increase in cortisol levels as they
work antagonistically. The increased cortisol levels increases alertness. These
effects can also help form an addiction.
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