Final answer:
Panic attacks are predominantly related to anxiety disorders, which involve persistent worry and fear over an extended time.
Step-by-step explanation:
Panic attacks are most closely associated with anxiety disorders. These include conditions such as obsessive-compulsive disorder (OCD), panic disorders, posttraumatic stress disorder (PTSD), and various phobias. Anxiety disorders are characterized by feelings of worry and fearfulness that last for an extended period, distinct from the occasional anxiety that is a normal reaction to stress.