Anxiety is a natural response to stress, fear, or perceived danger. Under normal circumstances, this response activates the body’s survival systems, preparing it to fight, flee, or freeze. Anxiety becomes a problem when the nervous system remains in a heightened state of alert even when no immediate threat is present.

From a neurophysiological perspective, anxiety is not simply a mental or emotional experience. It can involve changes in the autonomic nervous system, breathing patterns, heart rate, muscle tension, attention, and the way the brain processes information. This is why many people notice anxiety in their bodies before consciously recognizing that they feel anxious.

When anxiety is activated, the nervous system may interpret the environment as unsafe even when there is no objective, immediate danger. The body can release stress hormones such as adrenaline and cortisol, increasing alertness and preparing the body to respond.

This can create the feeling of being constantly “on guard,” even during otherwise peaceful moments. Over time, persistent hyperarousal—a prolonged state of heightened physiological activation—may begin to feel normal. Many people become so accustomed to tension, shallow breathing, restlessness, or hypervigilance that they no longer immediately recognize these sensations as signs of anxiety.

At What Age Can Anxiety Begin?

Anxiety can develop at any age. Some people first experience symptoms during childhood or adolescence, while others experience anxiety for the first time in adulthood, often following prolonged stress, trauma, burnout, major life changes, illness, or loss.

There is no single “typical” age at which anxiety begins. However, according to the World Health Organization, symptoms of anxiety disorders often begin during childhood or adolescence.

More important than age alone is how a person’s nervous system responds and adapts to life experiences, relationships, stress, and perceived threats.

 

What Is an Anxiety Disorder?

An anxiety disorder may be present when fear or anxiety becomes persistent, difficult to manage, disproportionate to the situation, and disruptive to daily life, relationships, sleep, work, or concentration.

Common anxiety disorders include:

• Generalized anxiety disorder (GAD)
• Panic disorder
• Specific phobias
• Social anxiety disorder
• Agoraphobia

A qualified healthcare professional—such as a physician, psychiatrist, psychologist, or other licensed mental health provider—can evaluate symptoms, rule out other possible causes, and determine whether the clinical criteria for an anxiety disorder are met. You can learn more through the World Health Organization’s overview of anxiety disorders.

What Are the Symptoms of an Anxiety or Panic Episode?

The expression “anxiety attack” is commonly used to describe an intense episode of anxiety, but it is not a formal clinical diagnosis. A panic attack has a more specific clinical meaning and usually involves a sudden surge of intense fear or discomfort that reaches a peak within minutes.

An intense anxiety or panic episode may include both physical and psychological symptoms, such as:

• Heart palpitations or a rapid heartbeat
• Rapid breathing or feeling unable to get enough air
• Chest tightness or discomfort
• Dizziness or lightheadedness
• Trembling or involuntary shaking
• Sweating
• A lump or tightness in the throat
• Tingling or numbness in the hands or feet
• Muscle tension
• Nausea or abdominal discomfort
• Feeling detached from yourself or your surroundings
• Feeling as though you are losing control
• An intense fear that something terrible is about to happen

These symptoms can feel extremely intense, but they do not automatically indicate a heart or neurological condition. However, new, severe, or unusual symptoms—especially chest pain, fainting, significant difficulty breathing, or neurological changes—should be medically evaluated to rule out other causes.

Can Vitamins or Supplements Help With Anxiety and Depression?

Vitamins, minerals, and nutritional supplements are not substitutes for evidence-based treatment. However, certain nutritional deficiencies can affect mood, energy, and nervous-system functioning.

Healthcare professionals may evaluate levels or dietary intake of nutrients such as:

• Vitamin D
• B vitamins, particularly B6, B12, and folate
• Magnesium
• Omega-3 fatty acids
• Zinc
• Iron, when clinically appropriate

The potential benefits of supplementation depend on the individual, the nutrient involved, and whether a deficiency is actually present. Supplements may also cause side effects or interact with medications. For this reason, it is best to discuss testing and supplementation with a qualified healthcare professional rather than treating anxiety or depression through supplements alone.

For evidence-based information about complementary approaches and supplement safety, consult the National Center for Complementary and Integrative Health.

How Long Does Anxiety Last?

The duration of anxiety varies considerably from person to person. An acute episode may last several minutes or hours, while a period of elevated anxiety can continue for days or weeks. Persistent or chronic anxiety may continue for months or years when the underlying factors that maintain it are not addressed.

Recovery depends on many variables, including the type and cause of the anxiety, ongoing stress, physical health, sleep quality, lifestyle, relationships, coping patterns, and the psychological or medical support being used.

From a nervous-system perspective, the goal is not simply to suppress symptoms. It is to strengthen the body’s ability to move more flexibly between activation and recovery and to return to a steadier baseline after stress.

This is one reason body-oriented interventions are receiving increasing attention alongside established psychological and medical approaches. Research indicates that practices such as slow-paced breathing can influence heart-rate variability, a physiological measure related to autonomic flexibility. However, body-based practices should complement—not automatically replace—appropriate psychological or medical care.

How Somatic Shaking™ May Support People Experiencing Anxiety

Somatic Shaking™ is a body-based practice that incorporates intentional shaking and neurogenic tremoring. It uses rhythmic movement, vibration, breath, and body awareness to help people engage with the physical patterns that often accompany anxiety.

The practice works with processes such as breathing, muscle tone, proprioception—the body’s awareness of its position and movement—and shifts in autonomic state.

Slow breathing, particularly when practiced without strain or overbreathing, has been associated with changes in heart-rate variability and autonomic activity. Research into tremor-based somatic approaches, including Tension and Trauma Releasing Exercises, is also beginning to investigate their possible effects on stress, anxiety, and emotional well-being. However, the evidence for these tremor-based interventions remains preliminary, and larger, higher-quality clinical studies are still needed.

Within Somatic Shaking™, the intentional phase begins when you consciously initiate the movement. The neurogenic phase may emerge when the body begins producing spontaneous, involuntary tremors without the movement being consciously directed.

This transition from effort to allowing is central to the method. Anxiety is not experienced only through thoughts. It can also be felt as tightness in the chest, restricted breathing through the diaphragm, jaw clenching, pelvic tension, abdominal discomfort, or contraction around the hips and psoas.

Rather than treating these sensations as proof that something is wrong with you, Somatic Shaking™ offers a structured way to notice, move with, and gradually soften patterns of physical bracing. The practice is intended to support body awareness, emotional processing, and the ability to settle after activation.

Important: Somatic Shaking™ is an educational and wellness practice. It is not a medical treatment and does not diagnose, treat, or cure anxiety disorders. It should not replace medical evaluation, psychotherapy, prescribed medication, or emergency care when these are needed.

It may serve as a complementary somatic practice for people who want to work with what the body may still be carrying—fear, shame, guilt, tension, control, and protective reactions that can become activated before conscious thought has time to intervene.

Somatic Shaking™ Programs

If anxiety feels like more than a pattern of thinking—if it also feels like tension, restlessness, constriction, or emotional activation held in your body—you can explore guided Somatic Shaking™ experiences here: Somatic Shaking™ Programs and Classes.

These guided formats incorporate intentional shaking, vibration, breath, body awareness, and neurogenic tremoring within a structured environment designed to support somatic exploration, nervous-system awareness, and reconnection with the body.