Results from the studies remove any reasonable doubt that sleep apnea is a fatal disease, said epidemiologist Nathaniel S. Marshall of the Woolcock Institute of Medical Research in Australia, lead author of one of the two papers published in the journal Sleep.
Alcohol Causes Anxiety and Behavior Changes. Frequent alcohol consumption can extremely impair several functions of your brain including the area that is responsible for controlling your behavior. This is why as you consume alcohol, your behavior, conduct and other cognitive abilities will usually be the first to go.
Caffeine masks the depressant effects of alcohol, which makes a person feel less intoxicated than they really are. The caffeine and alcohol mixture causes dehydration. There is no negative effect of combining alcohol and caffeine. Once the caffeine wears off, the full depressant effects of the alcohol hit. This can lead to a nasty hangover.