The issue focused on reducing childhood obesity by combining dietary interventions with vaccines and vaccines against infectious diseases in childhood and adolescence. Author provided updated info for comparison with older publications on dietary interventions for preventing childhood obesity and prevention of autism in childhood and adolescence. Summary this paper discusses results from various epidemiological studies (2008 and 2009). Additional reviews should be performed on diet intervention strategies for preventing childhood obesity and prevention of autism in childhood and adolescence. Recommendations were derived from clinical trials (2004 and 2005), epidemiological studies (2005),