There are many beliefs associated with this emotion in different cultures. The sad news that often it is misinformed information that can lead to more sadness and other negative consequences. We have emotions to communicate to ourself that something has happened, is happening or will happen. With all emotions there are variations of the emotions in depth , frequency and length. The emotions we experience are neurotransmitters in the brain communicating chemical information.
Sometimes in depression which is a form of sadness there are insufficient chemicals of serotonin and dopamine in person brain that is not functioning effectively. Imagine that your body has stored up a cocktail of sadness or you have repressed.In the long term it will effect your thinking patterns and behaviour and could cause illness. In psychology they call this unfinished business as the root of all problems physiologically.
Grief is related to sadness where the body and mind are reminding you of the losses you have encountered. The loss of job , the loss of independence, the loss of a friend is related to the cycle of grief. Allow yourself to grieve in life and go with the flow. It is unrealistic to be happy ever moment of the day in the world we live. Accept sadness as part of life and express don’t suppress as the tears soothe the inner soul with compassion for yourself.
The consequences of sadness are highlighted by behaviour patterns to numb or distract from the pain and uncomfortable feelings. The brain remembers consciously and subconsciously that it needs a change in mindset as a result autopilot actions happen. Drugs , alcohol, sex, food, can produce these happy effects in the brain and body. As result if we are not aware of our life patterns these can become addictions.
The brain works like an orchestra with different areas who plays thier part at a the required signature on the sheet music of the body’s response to emotions. There is one proposition from one scientist who research’s shows two parts of the brain in melody together in sadness. The emotion centre of the amygdala sings a duet sonnet with the hippocampus the memory centre of working memory(short term) and long term memory.
In summary the circuits in the brain are responsible for our moods which helps us to make the right choices to face the situation for survival. Being alert to the flow of emotions even the uncomfortable feelings helps us to make the right choices not just for survival but to enrich it.