Twenty years ago, following the initial sequencing of the human genome, geneticists started carrying out extensive genome-wide association studies to find genomic regions connected to human disease.
In addition to the DNA sequence, another stable level of molecular data created during development called epigenetic modifications also plays a role in disease risk.
Researchers have been examining these epigenetic changes for more than ten years to look for links to disease. More than a thousand of these epigenome-wide association studies have been published as of late.
