Final answer:
Women are at least twice as likely as men to have episodes of severe unipolar depression.
Step-by-step explanation:
Women are at least twice as likely as men to have episodes of severe unipolar depression. This is based on research studies that have shown a higher prevalence of depression among women compared to men. For example, one study found that depressed women were 70% more likely to die from cardiovascular problems compared to depressed men. Another study found that women with more depressive symptoms were 49% more likely to experience fatal heart disease over a 12-year period.