According to the NCADI, most children under the age of... , who do not participate in drug and alcohol abuse, is virtually to do so.

According to the NCADI, most children under the age of 18, who do not participate in drug and alcohol abuse, are less likely to do so.

According to the National Council on Alcoholism and Drug Dependence, the statement you provided seems to be incomplete. If you could provide the complete sentence or question, I would be happy to assist you with an answer step-by-step.

According to the NCADI (National Clearinghouse for Alcohol and Drug Information), most children under the age of 21, who do not participate in drug and alcohol abuse, are less likely to do so. To find this information, you can visit the official website of the NCADI or search for reliable sources that cite the findings or statistics from the NCADI. NCADI is a government organization that provides information and resources related to alcohol and drug abuse, so their site is a good starting point for such information.