Signs and Symptoms of Substance Abuse. From the American Council for Drug Education, an affiliate of Phoenix House. The following are some of the more common signs and symptoms of drug use. It is important to keep in mind that if a person has any of these symptoms, it does not necessarily mean that he or she is using drugs. They could be due to a mental or physical health problem.
The main difference between data and information is that data is raw material that is to be processed and information is the processed data. Comparison Chart Basis of Distinction
In sociology primary data is data you have collected yourself and secondary data is data you have gathered from primary sources to create new research. In terms of historical research, these two terms have different meanings.A primary source is a book or set of archival records.econdary data has already been collected by and readily available  from other sources. It is cheaper and easier to obtain than primary  data. It helps provide an understand â¦ ing of the problem and allows  for comparison of the primary data collected.