causes of drugs and alcohol
Aging & Health A to Z The first signs of misuse of a medication or of alcohol in an older person may include: 1  increased confusion or memory impairment. 2  mood changes (e.g., agitation, depression, irritability) 3  sleep problems (including apnea) and daytime sleepiness. 4  dizziness. changes in blood pressure.  anemia (low blood 1  counts) fatigue or weakness. - Alcohol and Drug Abuse. Use and abuse of drugs and alcohol by teens is very common and can have serious consequences. In the 15-24 year age range, 50% of deaths (from accidents, homicides, suicides) involve alcohol or drug abuse. Drugs and alcohol also contribute to physical and sexual aggression such as assault or rape.