Epigenetics is the study of changes in gene expression from "summary" of Lifespan by David Sinclair,Matthew D. Laplante
One of the most fascinating aspects of genetics is the study of epigenetics. This field focuses on the changes in gene expression that occur without altering the underlying DNA sequence. In other words, epigenetics explores how external factors can influence which genes are turned on or off within our cells. Imagine our DNA as the instruction manual for building and maintaining our bodies. Epigenetics, then, can be seen as the editor of this manual. It determines which sections are highlighted, which paragraphs are underlined, and which sentences are crossed out. These changes in gene expression can have profound effects on our health and longevity. One of the key mechanisms of epigenetics is through the modification of histones, which are proteins that help package our DNA into a compact structure inside the cell. By adding or removin...
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