Performance anxiety and competitive anxiety (competitive trait anxiety, competitive state anxiety) happen when an individual's performance is measured against others.
Substance-induced anxiety disorder is characterized by symptoms of intense anxiety or panic that are a direct result of misusing drugs, taking medications, being exposed to a toxic substance or withdrawal from drugs. Other types of anxiety disorders.

Anxiety disorders, like other mental health conditions, result from a complex interaction of social, psychological and biological factors. Anyone can have an anxiety disorder, but people who have lived through abuse, severe losses or other adverse experiences are more likely to develop one.

American Psychological Association (APA) Generalized Anxiety Disorder.

Their approach combines personalised diagnostics with ongoing care, offering treatment across hormone health for both men and women, sleep and anxiety, cognitive health, and several other areas where the physical and psychological are closely intertwined.