usual
common
is probably going to happen
be likely
difficulty in life that makes you worried
stress
work that involves studying something
research
to make something happen
Cause
be made up of
consist of
to join or connect to something
Attach
the foods you eat regularly
diet
a thing that you do often or regularly
habit
to stop something from happening
prevent
to protect
defend
to react by doing something
respond
to make or create
produce (v)
to give something or make it available
provide
an idea used to explain something
theory
the smallest part of an animal or plant
cell
to have something inside
contain
a feeling about someone or something
Attitude
an illness
disease
to happen
occur