Studies suggest an association between premature birth and attention deficit hyperactivity disorder (ADHD)—especially in the very and extremely preterm (VP/EP) or very and extremely low birth weight (VLBW/ELBW) babies. Franz et al. (10.1542/peds.2017-1645) did a systematic review and meta-analysis of the prevalence of ADHD in the VP/VLBW and EP/ELBW population examined in 12 journal-referenced studies involving a total of about 1800 infants. Their conclusion is that there is about a 300% increased risk of developing ADHD especially among EP/ELBW babies. My writings over the decades have always maintained that ADHD starts at conception, and this recent study further confirms what I have always taught..