Definitions of epigenetics are notoriously slippery. This does not seem to hamper basic research. But it might hamper public understanding. The words ‘epigenetics’ and ‘epigenetic’ have undergone quite substantial changes in meaning over time, leading up to a meaning which is now popular but open to misinterpretation. This history and increasing confusion has been charted, … Continue reading Epigenetics: Grappling with definitions