Temperament relates to a person’s sociability and nature in terms of emotional stability. According to studies, 20-60 percent of temperament is determined by genetics. However, there are no specific genes that attribute to a particular behavior type. Identical twins share a similar kind of temperament irrespective of whether they were raised together or not.

What does it mean if a disorder seems to ‘run in my family’?
When a disorder has affected more than one


