mood disorders are more likely to occur in the close relative of affected individuals than in regular population. Identical twins are more likely to have the same mood disorder as compared to fraternal twins, also 20-25% of people who have mood disorders have a relative with a similar disorder. In conclusion Mood disorders effects more than 100 million people worldwide. This is a disease that might not be looked at too seriously, but when in fact it’s very serious matter that should be handled correctly. Statistics show that over 15% of severely depressed people eventually commit suicide, do you want that to be someone you know? Or even you?...