SADNESS

There many reasons for a child to experience sadness:
They are overstimulated - PSYCHOLOGIST or EXERCISE PHYSIOLOGIST
Stress, may be related to family, friendship or learning issues - PSYCHOLOGIST
Big emotions - PSYCHOLOGIST
They don't feel understood - PSYCHOLOGIST or SPEECH PATHOLOGIST
They are overtired - PSYCHOLOGIST
Dietary impacts of sugar, additives or lack of good nutrition - DIETITIAN

If left untreated, sadness may develop into a more serious depression.