bodies are often
thought of as
lazy and self-
many of them
wish or strive
for bodies they
Determining how much fat a person’s
body has is not as easy as it may seem.
Bulk or stockiness alone can be
misleading since some stocky people
simply have larger skeletal frames than
others, or their bodies are more
We judge the desirability of our
weight with two criteria.
-One is attractiveness.
-The second criterion for
judging weight is
The prevalence of overly fat people
Until the mid-1990s, overweight
was evaluated by the degree of
excess over ideal weights.
Now it is based on body mass
The metabolic rates of individuals can differ
Two types of tissue lean tissue and fat tissue in
cell nucleus that controls the metabolic process .
Heredity :fatness of parents and
offspring's are related by the genetic
set-point theory: Which proposes that
each person’s body has a certain or ‘‘set’’
weight that it strives to maintain that
involves the hypothalamus.
There are two hormones that involves in
decrease or increase in proportion to the
amount of body fat of the person.
Three factors are involved in
over weight and health.
One of which is Degree of
The other two factors in the
health risks of being heavy
peoples fitness and distribution
of fat on the body.