Studies show that grades go down as alcohol consumption increases. The average student who has one drink a day earns a GPA of only a C-level. Greater usage is associated with failing grades. Poor work performance . Relationship trouble .
Substance abuse puts a strain on relationships.
Problem drinkers tend to change social circles often and are unable to maintain long term friendships. They alienate themselves from others to hide their excessive consumption. Personality changes . Drastic personalitiy changes can result from drinking or using drugs. A normally quiet person may become boisterous or obnoxious, even violent, under the influence of alcohol and other drugs.