Drugs that demethylate DNA are under development, but are still some way from approval—and, in any case, interfering with epigenetics, which is a widespread mechanism of gene regulation, is a drastic approach.

让DNA反甲基化的药物还在研发中，并且还未通过临床证明。另外，外因遗传是基因调控的常见手段。从任何角度来说，干预外因遗传都是一种极端激进的做法。