These are the most frequently used words in this book.
almost
although
among
amount
animals
another
appetite
between
blood
body
brain
calories
cells
coleman
day
diet
different
doctors
down
drugs
eat
eating
effects
energy
enough
environment
even
experiment
factor
fat
few
first
food
found
friedman
gain
gene
get
group
half
hirsch
humans
hunger
ing
lab
least
leibel
leptin
less
levels
likely
little
long
lose
loss
lost
may
medical
metabolism
mice
might
months
mouse
new
normal
number
obese
obesity
once
overweight
part
patients
people
percent
person
pills
pimas
point
pounds
rats
research
researchers
set
several
should
since
sort
still
stomach
studies
subjects
system
take
three
time
two
weight
women
work
years