RT Journal Article SR Electronic T1 Epigenetics and child health: basic principles JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 863 OP 869 DO 10.1136/adc.2009.165712 VO 96 IS 9 A1 A Groom A1 H R Elliott A1 N D Embleton A1 C L Relton YR 2011 UL http://adc.bmj.com/content/96/9/863.abstract AB Epigenetic mechanisms are believed to play an important role in disease, development and ageing with early life representing a window of particular epigenomic plasticity. The knowledge upon which these claims are based is beginning to expand. This review summarises evidence pointing to the determinants of epigenetic patterns, their juxtaposition at the interface of the environment, their influence on gene function and the relevance of this information to child health.