These are the most frequently used words in another edition of this book.
addiction
addicts
alcohol
almost
american
among
amount
another
available
between
brain
cannabis
cases
cause
cent
changes
chemical
cigarettes
cocaine
control
countries
day
death
described
different
disease
doctors
does
doses
drink
drinking
drug
during
effects
even
evidence
experience
few
first
form
found
group
health
heroin
high
however
increase
increased
known
laws
less
levels
likely
little
lsd
may
medical
million
new
nicotine
number
often
opiates
opium
part
patients
people
per
person
problems
produce
psychological
result
risk
seems
should
since
smoke
smokers
smoking
social
sort
state
study
take
taken
taking
though
time
tobacco
treatment
two
uk
upon
use
used
users
usually
world
years