This is a true statement since the author highlights the leading cause of the reasoning behind the anxiety that comes with alcohol. Alcohol is caused to give many "hangxiety" after drinking any alcohol, which was clarified to be true from there credible sources. There source is written by two trained and scholarly writers named Joris C. Verster and Sarah A. Stephan, with contributions from the other coworker studies. The doctors published this essay acknowledging the side effects of having a hangover to a peer-grieved scientific journal titles, "Addictive Behavior". The explain that alcohol alters "brain chemistry", which leads to extra anxiety after being drunk, and can make one have "provoking phases" to the withdrawal and hangovers.
In the article "why alcohol causes hangxiety", the emphasize that hangover sensitive people are more likely to experience "pronounced psychological effects, including anxiety, following alcohol composition", and have a negative impact on there mental stability in general. This course is a blog from noble psychologist that did a study examining the relationship of hangovers and anxiety levels among a grand population of college students around the United States. They discovered that individuals that are found neurogically sensitive to hangovers have a significantly higher level of anxiety and stress levels, compared to people who's body are typically use to alcohol and use to fighting against a hangover.
Overall, alcohol does affect peoples anxiety and stress level after drinking, especially during ones hangover. Although, this may not happen to everyone, only if one does not get a hangover due to being use to a normal alcohol intake on a weekly basis.