Final answer:
Alcohol consumption can indeed lead to irritability, moodiness, and a reduced interest in enjoyable activities, resulting in various health and social problems.
Step-by-step explanation:
The effects of alcohol consumption can indeed make an individual irritable or moody, and can lead to a loss of interest in activities that were once enjoyable. The consumption of alcohol, especially in heavy amounts, has been linked to a variety of negative effects, including interference with judgement, lack of coordination, and potential for aggressive behavior. These effects can contribute to significant health and social consequences such as memory loss, family disruption, job loss, and an increased risk of certain cancers and physiological disorders like cirrhosis of the liver.
Over time, excessive alcohol use can change the chemistry of the brain, leading to tolerance and dependence. This means that not only can alcohol influence mood and behavior negatively in the short-term, but it can also contribute to longer-term mental health problems such as depression and anxiety, further causing a loss of interest in pleasurable activities known as anhedonia.