Alcohol is a potent substance that contains ethanol. Consumption of alcohol can have pleasurable effects in such as increased social skills and happiness. If too much alcohol is consumed the effects can be very displeasent including nausea and vomitting and headache and in extreme cases it can lead to unconsciousness and death. When alcohol is consumed it heightens mood; if you are happy it will make you happier, if you are depressed it will make you more depressed.