RT Journal A1 Whitaker RC T1 THe infancy of obesity prevention JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2010 FD December 1 VO 164 IS 12 SP 1167 OP 1169 DO 10.1001/archpediatrics.2010.218 UL http://dx.doi.org/10.1001/archpediatrics.2010.218 AB Pediatricians are being encouraged to begin obesity prevention efforts during their patients' infancy,1 yet they must still rely more on common sense than scientific evidence to guide their actions. Although the childhood obesity epidemic has been recognized for a decade, the field of obesity prevention only now has reached infancy. Pediatricians wishing to begin obesity prevention efforts during their patients' infancy face 2 general questions: (1) On which infants should I intervene? and (2) How, if at all, should I intervene? Articles by Gungor et al2 and Ciampa et al3 in this issue of the Archives address the first and second questions, respectively. The answers provided are succinct: we cannot accurately predict which infants will become obese. Nearly 70% of at-risk infants were not overweight or obese at 6 to 8 years of age,2 so it is difficult to target specific infants for prevention efforts. Whether some or all infants are targeted for intervention, we have no strong evidence as to which interventions prevent or reduce obesity.