In the article by Chang and Yu (2016) do you agree or disagree, that there is now enough evidence to use dietary components as epigenetic-regulating agents against cancer?

Medical Toxicology

We now understand some of the mechanisms of epigenetics such as the ability to affect transcriptional silencing and histone modification to help maintain cellular differentiation. In the article by Chang and Yu (2016) do you agree or disagree, that there is now enough evidence to use dietary components as epigenetic-regulating agents against cancer?