These are the most frequently used words in this book.
ability
abuse
adult
age
aggressive
alcohol
appears
attention
babies
behavior
between
biological
birth
born
boys
brain
care
caregiver
changes
child
children
come
crime
criminal
day
development
disorders
dr
drugs
during
early
effects
emotional
environment
even
experiences
factors
family
fathers
first
found
group
high
home
human
impact
infant
jeffrey
know
later
learning
less
levels
life
likely
little
may
months
mother
needs
negative
new
now
often
old
parents
particularly
patterns
people
percent
physical
problems
process
rate
relationship
research
researchers
responses
result
risk
school
see
several
show
social
states
still
study
system
temperament
things
three
time
two
violence
violent
without
world
years
young