Provisions shall be made by the proper local school authorities for instructing the pupils in all public schools in a comprehensive health education program which shall include instruction (1) as to the physiological, psychological, and sociological aspects of drug use, misuse, and abuse and (2) on intellectual disability and other developmental disabilities, such as cerebral palsy, autism, and epilepsy, their causes, and the prevention thereof through proper nutrition and the avoidance of the consumption of drugs as defined in this section. For purposes of this section, drugs means any and all biologically active substances used in the treatment of illnesses or for recreation or pleasure. Special emphasis shall be placed upon the commonly abused drugs of tobacco, alcohol, marijuana, hallucinogenics, amphetamines, barbiturates, and narcotics.