True about "Major depression" include the following except-
Depression is more common in middle-aged adult women (25-40 years).
Incidence of depression increases with age.
Genetic factors are important with concordance rate for monozygotic twins is 46% and for dizygotic twins is 20%.
Two times more common in men than women
Incidence increases with increasing age
In females affected age is adulthood
Is genetic origin