I wrote an article exploring the mind's ability to influence gene expression and reached the following conclusion:
While ancestral inheritance may cast the initial momentum over our gene expression, the priming of our thoughts, nutrition and environment cause the mind to influence gene expression. We are in fact, as young as we allow ourselves to be. Short of acute trauma, the outcome of our genetic potential inherited from our ancestors is within the purview of the choices we make.
Full article here:
Let me know what you think.