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Ahmadiyya Gazette Canada

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whenever we do a certain activity<br />

such as eating, thereby reinforcing<br />

feelings of pleasure so that we<br />

remember and repeat the activity—<br />

this is also why this chemical has<br />

been central to drug addiction<br />

research. Happiness, like the high<br />

from any type of addiction, is<br />

fleeting and does not last long. For<br />

example, when a person eats,<br />

dopamine is released and they begin<br />

to feel good, but eventually they<br />

will start to feel hungry again.<br />

Although science is still struggling<br />

to understand whether the<br />

prefrontal cortex creates sensations<br />

of happiness or if it just reflects<br />

one’s general emotional state,<br />

behavioural geneticists have been<br />

trying to figure out if a “happiness<br />

gene” exists. Thus far, they have<br />

determined that everyone has a<br />

hedonic set point, which is our<br />

individual level of happiness.<br />

Everyday our feelings of happiness<br />

fluctuate up or down, but we each<br />

have a unique stable mid point to<br />

which our happiness level returns.<br />

Behavioural geneticists are<br />

interested in how much of the<br />

Reviewing MRI scan of the human brain<br />

What makes a person happy? Is it possible to<br />

increase your level of happiness?<br />

What do you think: Comment@<strong>Ahmadiyya</strong><strong>Gazette</strong>.ca<br />

difference between our hedonic set<br />

point is due to our genetic makeup.<br />

Essentially, the question they are<br />

trying to answer is how much of our<br />

happiness is under our control.<br />

Some scientists believe that genes<br />

contribute 80% to our hedonic set<br />

point, while others propose that it is<br />

only 50%. Regardless of this debate,<br />

it is clear that there is no specific<br />

“happiness gene” and it is not<br />

hereditary the way that eye colour is<br />

for example. Happiness is an<br />

“emergent property,” which means<br />

that it is a combination of many<br />

genes combined. Therefore,<br />

geneticists think that it is the<br />

arrangement of these genes that<br />

determines our behaviours,<br />

emotions and basic personality<br />

traits. What remains to be studied<br />

then is the interaction of these genes<br />

with each other and also with the<br />

world. However, there is a caution<br />

that should be highlighted in<br />

regards to the genetics of happiness.<br />

If happiness levels are set points<br />

that are influenced mostly by genes,<br />

then it can be concluded that it is<br />

impossible to improve your level of<br />

happiness. Such a conclusion raises<br />

the question of personal<br />

responsibility. For example, it can<br />

be claimed that a person who has a<br />

negative personality cannot<br />

improve because they are born this<br />

way. Such an assumption about<br />

genetic research is dangerous for<br />

society, because it can be easily<br />

misconstrued and people may<br />

assume that random chance has a<br />

part to play in our happiness, thus<br />

removing personal responsibility<br />

from the individual. This is why it<br />

is important to stress that most<br />

scientist believe that our<br />

environment contributes at least<br />

50% to our hedonic set point and<br />

therefore, it is possible to improve<br />

our happiness no matter what level<br />

our genes start us out at. This<br />

branch of genetic research is<br />

beginning to show that happiness is<br />

not a state that we are born with,<br />

but rather something that we can<br />

affect and change.<br />

However, there is no doubt that by<br />

understanding the neurophysiology<br />

of happiness and how positive<br />

emotions affect the body overall<br />

great advancement can be made in<br />

In Search of Happiness 33

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