"need only look"? Is this correct without "to"?
"We need only look at the problems that childhood obesity rates will cause if they are not addressed to see how important it is that we take 'cradle to grave' approach to public health."
Yes this is correct. If this sentence did not include the adverb "only", then it would need to have 'to ' added. So we would say: we need to look at the problems........
2015년 4월 26일
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Yeah, this is correct. It's a bit of a weird form in terms of English grammar but it's definitely correct.