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Happiness is
we all want. However, happiness varies
from person to person. A new study shows that how happy we are depends on a
variety of factors. An assistant
of psychology at the University of California led the
. It could help mental health
to provide better treatments for people who have depression and
. The professor wrote: "We have to understand the
of happiness to build effective
." Her study has been published in the
"Nature Human Behaviour".
