IQ notes

In children at least, IQ = Mental age / Chronological age

• 100 Average for population

• 120 Grammar school level

• 136 Top 6% of population

• 140 Top 4% of population

• 148 Top 2% of population

• 150 Genius level

• 155 Top 1% of population

Breast fed babies have IQ's on average 8 points higher than non-breastfed babies.