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.
Here are four to be aware of, and why they can up your anxiety: Caffeine. I can't live without my morning cup of Joe, but sipping caffeinated drinks all day long or drinking more than your body is used to can cause your stress to simmer. Caffeine stimulates your nervous system, which means too much can lead to a rapid heartbeat and increase in blood pressure. It can also irritate your digestive system. Additionally, excess caffeine can interfere with sleep and trigger dehydration, which can zap energy and cause headaches. Alcohol.