The feeling of unease or fear that is either associated with an event or situation or appears without cause. While feeling anxious due to a situation can be normal, excessive anxiety or anxiety without cause can cause psychological and physical impairment. Anxiety disorders present in a variety of ways that can be particularly detrimental to individuals. 

Cannabis has been shown to treat anxiety, in some individuals, thought high THC strains have been shown to cause anxiety in other individuals. The exact mechanism of action is unknown, but companies are successfully producing strains with lower THC and higher CBD, which have been proven to have anti-anxiety properties.