However, for some people, switching may cause nausea and vomiting, possibly because of the different flavorings and mixers used. Coffee can help keep a person awake, but it won't improve judgment or sharpen reactions. A person may become overconfident, careless and more likely to take chances. To be absolutely safe, anyone should wait at least one hour after a drink before driving. Anyone who drinks excessively at one time or another may become drunk.
Alcoholism is a serious illness.
The alcoholic person loses control of his drinking, becomes dependent on alcohol and the drinking interferes with some vital part of life. As a result, alcohol offers only escape, and drinking becomes the only satisfaction to be found. The person who drinks to escape from emotional problems and the pressures of everyday living is probably more likely to become an alcoholic. Individuals may notice drinking increases, especially drinking alone. They may seek excuses to drink, or drink on the sly or need to drink early in the morning.