12,000 years ago, your brain was wired to survive the sound of a snapping twig. The amygdala, our ancient smoke alarm, wasn’t checking Twitter feeds—it was scanning for death. Mortal, immediate death. That rustle in the dark wasn’t a comment thread—it was a predator. Your amygdala didn’t have time...
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The word epigenetics comes from the Greek prefix epi- meaning “above” or “on top of” and the word genetics. It refers to the study of changes in gene expression that do not involve alterations to the underlying DNA sequence—essentially, it’s how life tunes the instrument of the genome based...