that are turned on or off through epigenetic influences are what makes each one of us unique . The phenomenon of epigenetics helps explain why and how two genetically identical twins can age vastly differently - both externally and on a cellular level . Epigenetics adds a unique twist to each individual ’ s physiological and psychological makeup . Incidentally , there have been indications that some epigenetic changes can even be inherited . Epigenetic gene regulation is long term , on time scales of months , years , and even lifetimes . That is because epigenetic alterations are passed along intact , during cell division , from mother cell to daughter cell and every other cell in that lineage . So epigenetic changes are heritable at the cellular level .
With more than 20,000 genes , what will be the result of the different combinations of genes being turned on or off ? The possible arrangements are endless . Imagine if we could identify every single cause and effect of the different combinations ; then we could , at least in theory , reverse the gene ’ s state to keep the “ healthy ” while eliminating the “ unhealthy .” It is this potential which can positively influence the fight against cancer , the detrimental effects of aging , and much more . The fact that epigenetics is dynamic and reversible can change the course of preventative medicine to focus on a strategic , personalized plan for each individual based on their epigenetic influences .
Our DNA is constantly being threatened by a variety of environmental and lifestyle influences .
EPIGENETICS AND AGING :
Aging and longevity research is an ever-evolving field that highlights the critical influence epigenetic processes have on aging .
Diseases occur more frequently as individuals age . Therefore , aging is an important risk factor for several chronic conditions and diseases such as cancer , cardiovascular disease , and neurodegenerative disorders . Aging is a consequence of genetic makeup , environmental factors , and lifestyle habits which , on a cellular level , cause alterations of gene expression affecting the processes of cell division and cell function .
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