Anxiety: What You Need to Understand

One common definition calls anxiety a group of disorders that produce nervousness, fear, apprehension, and worry. These conditions shape how we feel and act, and they can produce physical symptoms that are entirely real. In its milder form anxiety stays vague and unsettling. At its most severe it becomes crippling, the kind of thing that pulls apart a person's daily routine. But reducing anxiety to simple nervousness misses what it actually feels like. People living with it describe being flooded, caught in loops of panicked thinking, with a pounding heart and the conviction that they might be having a heart attack, losing their mind, or about to collapse. Alongside the nervousness sits a heavy dread about what comes next.

The American Psychiatric Association's DSM-IV sorts anxiety into several categories. Generalized Anxiety Disorder, or GAD, is the chronic version: excessive, drawn-out worry attached to no particular event, object, or situation. Some sufferers have specific fears; others carry a constant background hum of being overwhelmed, and that feeling rarely matches what the facts of the moment justify. Work, school, friendships, romantic relationships, all of it can take a hit.

Panic Disorder shows up as abrupt storms of physical and emotional distress. Breathing gets difficult, the room spins, nausea sets in, the heart races, and the person becomes convinced they are about to faint or suffer cardiac arrest. An episode can stretch on for hours. One side effect is a sharpened awareness of every ordinary bodily sensation, each one read as a sign of something fatal, so hypervigilance slides into hypochondria. Because sufferers start anticipating the next attack, they often reshape their lives dramatically to dodge it.

A phobia centers on an irrational fear of, and the avoidance of, a specific object or situation. That specificity is what separates it from GAD, where no single trigger exists. The catalog of phobias runs into the thousands, from spiders to styrofoam, and most people who have one recognize the fear makes no sense. Recognition does not switch off the panic that arrives the moment they encounter or even picture the trigger. Agoraphobia fits here: a person steers clear of any place or circumstance that might set off an attack, positioning themselves so escape is never hard or humiliating and reshaping their behavior around the possibility of needing to get out.

Social Anxiety Disorder revolves around the fear of being watched, being among others, or being judged harshly. Public embarrassment or humiliation looms large. The avoidance can grow so complete that ordinary life stops being possible.

Obsessive-Compulsive Disorder pairs intrusive thoughts, the obsessions, with repetitive acts meant to quiet them, the compulsions. Someone might wash their hands in a fixed sequence ten times a day, check that doors are locked over and over, hoard objects of no use, or cycle through rituals that seem pointless from the outside. For some sufferers, numbers, order, counting, and sequence play an outsized role.

Post-traumatic Stress Disorder usually traces back to living through or watching a traumatic event: heavy combat, rape, a hostage situation, a severe accident. Flashbacks are common, and sufferers rearrange their behavior to steer away from reminders. Treatment is notoriously hard, partly because the person stays locked in a state of high alert, braced at all times for another threat to their life. MDMA, the drug sold on the street as Ecstasy, actually started out as a psychotherapeutic compound before recreational abuse got it banned. It has since been reconsidered as a possible PTSD treatment, and some evidence suggests it may outperform any SSRI antidepressant currently available.

Separation Anxiety Disorder brings spikes of anxiety when a person is pulled away from someone or someplace that feels safe. It turns up most often in infants, toddlers, and small children, though adults are not immune: it can surface in a relationship where one partner dreads losing the other.

So what sets anxiety off? Trauma counts, whether from abuse, victimization, or the loss of someone close. Friction in a relationship, a marriage, a friendship, or a divorce can do it. So can a natural disaster, or a serious illness and the symptoms that come with it. Being intoxicated by or withdrawing from alcohol, illegal drugs, or prescription medication belongs on the list too.

There is a neurological angle as well. As C. Crosta puts it, research links abnormal levels of certain neurotransmitters to a higher chance of developing generalized anxiety disorder. When those chemical messengers misfire, the brain's internal communication network falters, and the brain can respond to situations in ways that don't fit, which opens the door to anxiety.

Diagnosis falls to a psychiatrist, clinical psychologist, or another mental-health professional, who leans on the DSM-IV and its specific criteria. Take GAD as an example. The person has to worry excessively about a range of events or activities on more days than not for at least six months, and has to find that worry hard to rein in. On top of that, at least three of six symptoms must show up more days than not over that span: restlessness, fatigue, irritability, muscle tension, trouble sleeping, and trouble concentrating. The symptoms also have to disrupt daily life enough to cost the person work or school.

If the worry stays pinned to one particular theme, a clinician will usually name a different disorder instead of GAD. Anxiety fixated on having a panic attack points to panic disorder. Dread of public embarrassment suggests social phobia. Fear of being away from home or family maps onto separation anxiety disorder, worry about gaining weight onto anorexia nervosa, and preoccupation with a grave illness onto hypochondriasis.

Anxiety and clinical depression tend to travel together, their symptoms overlapping so heavily that few patients present with only one. Beyond the hallmark mental symptom of relentless, unrealistic worry, anxiety carries a long roster of bodily ones. Many of them mimic what a person feels during a general illness, a heart attack, or a stroke, which only pours more fuel on the worry. With GAD, that can mean numbness or a pins-and-needles sensation in the arms, hands, or legs, along with difficulty falling or staying asleep.

On the self-help side, learning to manage stress matters. Watch the pressures and deadlines stacking up, carve out time away from study and work, and get a handle on what actually needs doing first. Swapping negative self-talk for positive self-talk helps too; thought-replacement techniques have a solid track record.

Counseling is the standard route. That might mean cognitive-behavioral therapy, psychotherapy, or some mix of approaches. Having worked with many anxiety clients myself, I can say that CBT, combined with medication when it's warranted, has proven the most reliable way to treat these disorders.

As for prevention, anxiety disorders can't really be headed off entirely, but the risk can be trimmed and the symptoms kept in check. One of the plainer recommendations is to stay away from alcohol and illegal drugs.