Cycles of high and low mood are symptoms of bipolar disorder.
Thus, the correct option is C.
Manic depression, formerly known as bipolar disorder, is a mental health illness that results in sharp mood swings, including emotional highs (mania or hypomania), and lows (depression).
When you have depression, you could feel gloomy or hopeless and lose interest in or enjoyment of most activities. It is well acknowledged that chemical imbalances in the brain are what create bipolar disorder.
The chemicals responsible for controlling how the brain functions are known as neurotransmitters, and they include noradrenaline, serotonin, and dopamine.
If you have bipolar disorder, your mood may change dramatically between extreme highs and lows. Manic symptoms include things like increased energy, enthusiasm, impulsive conduct, and agitation.
Some signs of depression include a lack of energy, a feeling of worthlessness, low self-esteem, and indifferent thoughts.
Learn more about bipolar disorder, here
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