Migraine has been increasingly recognised as occurring in younger children, but could it affect babies? And if it did, what symptoms would they show? They might cry in distress due to headache or tummy-ache, and if so we would probably call it ‘colic’. Researchers from San Francisco, US, did a systematic review and attempted to do a meta-analysis (Gelfand A et al. Cephalalgia 2015 doi: 10.1177/0333102414534326). They looked for studies …