
The Science Behind Panic: When the Fight-or-Flight System Misfires | Chayi Hanfling, LCSW
There are moments when the body reacts before the mind has any time to explain it. A person might be sitting somewhere ordinary when suddenly their heart races, breathing changes, and a wave of fear rises without an obvious reason. It can feel like something is seriously wrong.
Panic disorder is the pattern where these experiences repeat and begin to shape a person’s relationship with their own body. The fear is not only of the panic itself, but of when it might happen again, and what it might mean if it does.
A panic attack is intense and physical. It can include a racing heart, shortness of breath, chest tightness, dizziness, shaking, nausea, and a sense of unreality. People often think they are having a medical emergency or losing control.
What makes panic especially powerful is the meaning the mind quickly attaches to the sensations. The body activates a survival response, but there is no real danger present. That mismatch creates a loop where fear increases the symptoms, and the symptoms increase the fear.
Not everyone with panic disorder develops avoidance. Some people continue functioning in their daily lives despite repeated attacks. Others begin to avoid situations where they fear panic might happen, especially places where escape or help feels difficult. When that avoidance becomes more widespread, it can develop into agoraphobia, but this is not required for panic disorder.
Panic is driven by the body’s fight or flight system. In panic disorder, this system becomes overly sensitive and can activate without an external threat. The sensations themselves are not harmful, but they feel alarming enough to reinforce the idea that something is wrong.
Even when someone logically understands they are safe, the nervous system can still react as if they are not. This is why reassurance alone often does not immediately stop panic.
For example, a person might be grocery shopping when they suddenly notice their heart beating faster. Within seconds, they start to feel lightheaded and think they might faint in public. The thought increases their fear, their breathing becomes more shallow, and the sensations intensify. They may leave the store quickly, not because anything dangerous is happening, but because the alarm system in their body has fully activated. Later, they may start to avoid grocery stores altogether, not trusting that the experience won’t happen again.
Panic disorder is very treatable. Approaches like cognitive behavioral therapy help people change catastrophic interpretations of bodily sensations. Exposure based work helps the body learn that these sensations are not dangerous. Acceptance based approaches focus on allowing the experience to pass without fighting it, which reduces the escalation over time.
The key shift in recovery is not eliminating all anxiety, but changing the meaning of it. Instead of “this is dangerous,” the experience becomes “this is intense, but temporary and not harmful.”
Panic can feel overwhelming, but it always follows a natural rise and fall. The body cannot stay in that state indefinitely. Over time, as the fear of the sensations decreases, the nervous system stops sounding the alarm so easily. Life begins to expand again, not because panic is forced away, but because it is no longer interpreted as danger.
Chayi Hanfling is a licensed clinical social worker who is experienced and passionate in helping individuals, families, and couples. She specializes in couples counseling, EFT, women’s health, anxiety management, OCD, trauma, and other mental health challenges. She can be reached at https://chaicounseling.org or [email protected]
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