Info: Common Mood Disorders

Depression

Depression is not sadness - it has more than just that. 

Major depressive disorder 

Major depressive disorder causes persistent feelings of sadness, loss of interest and motivation, as well as feelings of anger or irritation. It can also contribute to self blaming and in some cases, feelings of suicide.

Symptoms and signs:
- Low mood
- Loss of energy
- Feeling irritable, angry, or restlessness
- Feeling guilt, worthlessness, hopelessness
- Appetite changes: Eating too much or eating too little
- Impulsive behaviour to "escape"
- Trouble with concentration and focus
- Sleep troubles: falling asleep, sleeping too much, disrupted sleep
- Suicidal feelings

Seasonal Affective Disorder

Seasonal affective disorder causes a person to feel symptoms of depression during certain seasons based on weather, temperature, and time changes. 

Bipolar disorder

Bipolar disorder causes shifts in mood, energy, activity levels, concentration, and the ability to carry out day-to-day tasks. These shifts are categorized by manic episodes and depressive episodes. 
Manic episodes
Depressive episodes
The signs and symptoms are: 
- Increased energy 
- More motivation in activities 
- Increased thinking and/or actions
- Racing thoughts
- Less need for sleep
- Feeling euphoric
- Heightened ego
- Grandiose delusions (severe cases)
*Mania is a severe form that lasts for a week or more while hypomania is a less prominent form and lasts for a few days. 

The signs and symptoms are:
- Decreased energy 
- Less motivation in activities 
- Decreased thinking and/or actions
- Sleep troubles: falling asleep, sleeping too much, disrupted sleep
- Feeling extreme sadness
- Loss of self esteem
- Dulled and/or slowed speech
- Nihilistic delusions (severe cases)

3 types of bipolar
Bipolar I: means you have had at least 1 manic or mixed episode. 
Bipolar II: means you have had at least 1 or more depressive and hypomania episodes and never a manic episode.
Cyclothymic disorder: causes episodes of hypomania and depression that shift frequently.  

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