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Why are researchers interested in the properties of large polynuclear aromatic hydrocarbons?
Neurotransmitters
Chemical messengers in the brain that transmit signals between nerve cells, influencing various functions and mood.
Depressive Symptoms
Signs and symptoms associated with depression, such as persistent sadness, loss of interest in activities, and changes in sleep and appetite.
Unipolar Depression
A mood disorder featuring consistent low mood, lack of interest in activities, and other symptoms without the mood swings found in bipolar disorder.
Identical Twin
A duo born from the same pregnancy, sharing the same genetic material because they originated from a single fertilized egg that split.
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