This book explains what the epigenome is and the impact it has on our lives. The epigenome is the “grammar” that gives sense to the words “that genes would be”. And therefore, people with the same genetics (the same group of words) can function in different ways depending on their epigenome (according to how these words are ordered). Even though we are not able to change our genetics, we can act on our epigenome through our lifestyle and environment.