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.
On the other hand, studies have linked marijuana to problems with anxiety - both causing anxiety on its own, and making anxiety worse. It appears the effects of anxiety change depending on the type of anxiety you suffer from. If you haven't yet, take the anxiety test on this site.