Answer:
Genetic
Step-by-step explanation:
Genetics has an influence of 60-85 % of chances of inherting bipolar disorder.
The responsible for this is GRK3. The recommended genetic test is called PSYNOME.
Its operational principle is to look for 2 mutations in the gene above.
Basically bipolar disorder is a state of mentally health conditions in which there is a shift in mood of an induvidual,his energy and behavior.it is always refer to as Manic depression because of the switch in the mood and sometimes aggressive behaviours.