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Genetic determinism vs Epigenetics

Nature vs nurture will be always be a hot topic of debate. I remember reading about it for the first time in my psychology class in 12th grade. It was a fascinating topic and still is. Much research has taken place in this area. To make it short, Identical twins studies suggest that even though identical twins share the same genetic material, they often don’t share the same diseases or health outcomes.

The stringent concept of genetic determinism states that we are born with a set of genes and we are bound to get the same diseases our parents and grandparents got. Whereas epigenetics drawing from identical twin studies points out how even if we cannot change the genes, we can change the gene expression, meaning the way the gene expresses itself.

Bruce Lipton, in his book, Biology of Belief, says that Darwin’s theory has undermined the role of nurture (environment) and led us to believe that ‘genes control biology’. He further goes on to say that most diesease like diabetes, cancer etc are due to ‘complex interactions amongst multiple genes and environmental factors, and not due to a single gene’ and, ‘the environmental influences including nutrition, stress, and emotions, can modify those genes without changing their basic blueprint’

Which simply means, environment can triumph over hereditary.

Chromosomes carry genetic material and they are covered by proteins like ‘sleeves’. When the genes are covered, their information cannot be read. What you need is an environmental signal to make the protein to change shape , which allows the genes to be read ( p. 38, Lipton, 2005)
So the environment makes a huge difference in whether your genes will be expressed or not. For example, if you believe you have a ‘diabetic gene’, firstly it’s not a single gene, and secondly the environment will determine whether you will become a diabetic or not, whether the diabetic gene will be turned on (expressed) or off (silenced).

Given that stress, emotions, lifestyle can change gene expression, we have a lot in our control. Here’s what you can do with EFT, meditation and other techniques:

Change your negative believes about health. Nocebo effect is when negative beliefs about health make you sick. If you believe you will fall sick, most probably you will. Hence it’s important to release health anxiety, change your thoughts patterns and transform limiting health related beliefs.

Reference: Lipton, B. (2005). Biology of Belief. India, Hay House.

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