There is a high rate, a very high rate of harm, due to the CSE. This is an actual study, a report that has been done. In the conclusion, when measured by credible criteria derived from the field of prevention research, a database containing 103 of the strongest and most recent CSE studies vetted for research quality by three reputed scientific agencies, UNESCO, CDC, and HHS, showed little evidence of CSE effectiveness in schools settings and a concerning number of negative effects.