What is the scientific explanation for the feeling of depression ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Depression**: Depression is a mental health condition that affects how a person feels, thinks, and handles daily activities. It is often characterized by persistent sadness, loss of interest, and a variety of emotional and physical problems.

2. **Role of Neurotransmitters**: The scientific explanation for depression often involves neurotransmitters, which are chemical messengers in the brain. One key neurotransmitter associated with mood regulation is norepinephrine (noradrenaline).

3. **Norepinephrine Function**: Norepinephrine is responsible for mood changes. It transmits signals between neurons and also between neurons and muscles. When norepinephrine levels are normal, they help maintain a balanced mood.

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