Explanation:
STRESS - Stress is the feeling of being overwhelmed or unable to cope with mental or emotional pressure.
BIPOLAR-Bipolar disorder (formerly called manic-depressive illness or manic depression) is a mental disorder that causes unusual shifts in mood, energy, activity levels, concentration, and the ability to carry out day-to-day tasks.
DEPRESSION-Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest. Also called major depressive disorder or clinical depression, it affects how you feel, think and behave and can lead to a variety of emotional and physical problems
MOOD DISORDER-a psychological disorder characterized by the elevation or lowering of a person's mood, such as depression or bipolar disorder.
