^ Nivard, M. G.; Dolan, C. V.; Kendler, K. S.; Kan, K.-J.; Willemsen, G.; van Beijsterveldt, C. E. M.; Lindauer, R. J. L.; van Beek, J. H. D. A.; Geels, L. M. (2014-09-04). "Stability in symptoms of anxiety and depression as a function of genotype and environment: a longitudinal twin study from ages 3 to 63 years". Psychological Medicine. 45 (05): 1039–1049. doi:10.1017/s003329171400213x. ISSN 0033-2917.

Anxiety disorders can often be addressed successfully with a combination of therapy and medication. For therapy, patients may undergo psychotherapy or cognitive behavioral therapy, in which they learn to change how they respond to situations that induce anxiety. For medications, clinicians may, for limited periods of time, prescribe antidepressants such as selective serotonin reuptake inhibitors or tricyclics, tranquilizers such as benzodiazepines; they may also prescribe beta blockers for specific events. Different strategies can also help people who experience feelings of anxiety but the severity of which falls below the clinical threshold for diagnosis. Habits such as exercising, sleeping well, and limiting the amount of caffeine and alcohol consumed can prove helpful. Strategies such as taking deep breaths, acknowledging limits to fully controlling situations, pushing back against anxious or irrational thoughts, and observing the circumstances that tend to produce anxiety are proven to reduce anxiety by helping people feel better prepared in the future.
Tip Number 4 is new and interesting to me. I was already coming down off of a panic attack as I was reading this and as I decided to try it. Focusing on my peripheral vision did have a noticeable effect on my momentary stress, though it may have been placebo. Then again, whether or not it was placebo is kind of a moot point, as it still helped. I’ll have to remember this trick and try it again in the future.
With regard to environmental factors within the family, parenting behavior can also impact risk for anxiety disorders. Parents who demonstrate high levels of control (versus granting the child autonomy) while interacting with their children has been associated with development of anxiety disorders. Parental modeling of anxious behaviors and parental rejection of the child has also been shown to potentially relate to greater risk for anxiety. Experiencing stressful life events or chronic stress is also related to the development of anxiety disorders. Stressful life events in childhood, including experiencing adversity, sexual, physical, or emotional abuse, or parental loss or separation may increase risk for experiencing an anxiety disorder later in life. Having recently experienced a traumatic event or very stressful event can be a risk factor for the development of anxiety across different age groups. Consistent with the notion of chronic life stress resulting in increased anxiety risk, having lower access to socioeconomic resources or being a member of a minority group has also been suggested to relate to greater risk.

The Diagnostic and Statistical Manual of Mental Disorders (DSM) is the handbook used for diagnosis of mental health disorders, and is widely used by health care professionals around the world. For each disorder, the DSM has a description of symptoms and other criteria to diagnose the disorder. The DSM is important, because it allows different clinicians and/or researchers to use the same language when discussing mental health disorders. The first DSM was published in 1952 and has been updated several times after new research and knowledge became available. In 2013, the most recent version of the DSM, the DSM-5, was released. There are a few important differences with its predecessor DSM-IV regarding anxiety disorders. First, Obsessive Compulsive Disorder (OCD) is not part of the anxiety disorders any more, but now has its own category: Obsessive-Compulsive, Stereotypic and related disorders. Second, Post-Traumatic Stress Disorder (PTSD) now also has its own category: Trauma and Stressor-related Disorders.

During the day if she was out, the attack felt “like my head suddenly weighed a thousand pounds and my chest would get really heavy. It literally felt like something was pulling me down. I would usually have to head home immediately.  I would then experience foggy vision where it …actually looked like there was fog in the air. I also experienced double vision and parts of my body—like my neck or one arm or one entire side of my face– would go totally numb.”
EMDR is a psychotherapy that alleviates the distress and emotional disturbances that are elicited from the memories of traumatic events. It is primarily administered to treat PTSD, and is very similar to exposure therapy. This therapy helps patients to process the trauma so that they can heal. During the therapy, patients pay attention to a back and forth movement or sound while recounting their traumatic memories. Patients continue these sessions until the memory becomes less distressing. EMDR sessions typically last 50-90 minutes and are administered weekly for 1-3 months, although many patients report experiencing a reduction of symptoms after a few sessions of EMDR.
Moreover, this hypocapnia and release of adrenaline during a panic attack cause vasoconstriction resulting in slightly less blood flow to the head which causes dizziness and lightheadedness.[28][29] A panic attack can cause blood sugar to be drawn away from the brain and toward the major muscles. Neuroimaging suggests heightened activity in the amygdala, thalamus, hypothalamus, and brainstem regions including the periaqueductal gray, parabrachial nucleus, and Locus coeruleus.[30] In particular, the amygdala has been suggested to have a critical role.[31] The combination of high arousal in the amygdala and brainstem along with decreased blood flow and blood sugar in the brain can lead to dramatically decreased activity in the prefrontal cortex region of the brain.[32] There is evidence that having an anxiety disorder increases the risk of cardiovascular disease (CVD).[33] Those affected also have a reduction in heart rate variability.[33]
Some research suggests that people who have panic disorder might be very sensitive to sensory experiences (such as sunlight, smells and changes in the weather), but there's not enough evidence yet to say for sure. Also it's not clear whether having a high level of sensitivity to these sorts of things is something that might cause you to develop panic disorder, or whether it may be an effect of having it.
As is the case the more generalized forms of social anxiety, intergroup anxiety has behavioral, cognitive, and affective effects. For instance, increases in schematic processing and simplified information processing can occur when anxiety is high. Indeed, such is consistent with related work on attentional bias in implicit memory.[39][40][41] Additionally recent research has found that implicit racial evaluations (i.e. automatic prejudiced attitudes) can be amplified during intergroup interaction.[42] Negative experiences have been illustrated in producing not only negative expectations, but also avoidant, or antagonistic, behavior such as hostility.[43] Furthermore, when compared to anxiety levels and cognitive effort (e.g., impression management and self-presentation) in intragroup contexts, levels and depletion of resources may be exacerbated in the intergroup situation.

There are dozens of drugs that can be prescribed to treat anxiety. Since each person responds to medication differently, there's no one drug that works perfectly for everyone. You may have to work a little with a psychiatrist to find the right medication, or the right combination of medicines, that’s most beneficial to you. The drugs that are used to treat anxiety over a long period of time are antidepressants, which affect serotonin, norepinephrine, and other neurotransmitters in the brain.

Repeated and persistent thoughts ("obsessions") that typically cause distress and that an individual attempts to alleviate by repeatedly performing specific actions ("compulsions"). Examples of common obsessions include: fear that failing to do things in a particular way will result in harm to self or others, extreme anxiety about being dirty or contaminated by germs, concern about forgetting to do something important that may result in bad outcomes, or obsessions around exactness or symmetry. Examples of common compulsions include: checking (e.g., that the door is locked or for an error), counting or ordering (e.g., money or household items), and performing a mental action (e.g., praying).
A large brief current is passed through a wire coil that is placed on the front of the head which is near the areas that regulate mood. The transient current creates a magnetic field that produces an electric current in the brain and stimulates nerve cells in the targeted region. The current typically only affects brain regions that are 5 centimeters deep into the brain which allows doctors to selectively target which brain regions to treat. Typical sessions lasts 30-60 minutes and do not require anesthesia. Sessions are administered 4-5 times a week for about 6 weeks. Although the procedure is painless, patients may experience a gentle tapping in the area of the head where the current is being administered. Neuromodulation has very few side effects but they may include headaches, slight tingling or discomfort in the area in which the coil is placed. rTMS may be administered alone or in combination with medication and/or psychotherapy.
Cognitive-behavioral therapy, or CBT, teaches patients to see the links between the their thoughts, beliefs, and actions. By changing distorted thought patterns that maintain the anxiety and by exposing the person to anxiety-provoking symptoms or situations in a gradual manner, CBT can help create mastery over the anxiety and panic symptoms. Therapy may help those with panic disorder to
Humor and laughter, in addition to being fun and enjoyable, have many health benefits. Laughter can help people cope with stress, reduce anxiety and tension and serve as a coping mechanism. Humor may allow a person to feel in control of a situation and make it seem more manageable. By helping to reduce fear, anger and stress, humor can help minimize the potential harm they can have on the body over time.
Repeated and persistent thoughts ("obsessions") that typically cause distress and that an individual attempts to alleviate by repeatedly performing specific actions ("compulsions"). Examples of common obsessions include: fear that failing to do things in a particular way will result in harm to self or others, extreme anxiety about being dirty or contaminated by germs, concern about forgetting to do something important that may result in bad outcomes, or obsessions around exactness or symmetry. Examples of common compulsions include: checking (e.g., that the door is locked or for an error), counting or ordering (e.g., money or household items), and performing a mental action (e.g., praying).
Everyone here has issues, but what happens when you’re blue as hell and CANNOT figure out the source of the problem? There is no quote, no book, no video, no saying or phrase, no motto, which is helping me right now. I feel like absolute total HELL. And I damned well know it’s not going to last, and that it’s probably a result of thinking too hard, too long, too deeply. Anyway, thank you all for sharing your pain with strangers. It shows that you’re way stronger than you think.
Panic attacks are most often associated with a diagnosis of panic disorder but can be associated with other mental health disorders. Panic attacks are often related to mood and anxiety disorders, such as agoraphobia, post-traumatic stress disorder (PTSD), social anxiety disorder (SAD), specific phobias, obsessive-compulsive disorder (OCD), generalized anxiety disorder (GAD), bipolar disorder, and major depressive disorder. These attacks can also occur in conjunction with a variety of mental health disorders, including personality disorders, eating disorders, and substance-related disorders.
Furthermore, certain organic diseases may present with anxiety or symptoms that mimic anxiety.[6][7] These disorders include certain endocrine diseases (hypo- and hyperthyroidism, hyperprolactinemia),[7][77] metabolic disorders (diabetes),[7][78][79] deficiency states (low levels of vitamin D, B2, B12, folic acid),[7] gastrointestinal diseases (celiac disease, non-celiac gluten sensitivity, inflammatory bowel disease),[80][81][82] heart diseases, blood diseases (anemia),[7] cerebral vascular accidents (transient ischemic attack, stroke),[7] and brain degenerative diseases (Parkinson's disease, dementia, multiple sclerosis, Huntington's disease), among others.[7][83][84][85]
Panic disorder is characterized by uncontrollable, recurrent episodes of panic and fear that peak within minutes. Panic attacks are accompanied by physical manifestations, such as heart palpitations, sweating, and dizziness as well as the fear of dying or becoming insane. Worry about having an attack may lead to additional anxiety and avoidance behaviors or to other problems in functioning.

People facing anxiety may withdraw from situations which have provoked anxiety in the past.[5] There are various types of anxiety. Existential anxiety can occur when a person faces angst, an existential crisis, or nihilistic feelings. People can also face mathematical anxiety, somatic anxiety, stage fright, or test anxiety. Social anxiety and stranger anxiety are caused when people are apprehensive around strangers or other people in general. Stress hormones released in an anxious state have an impact on bowel function and can manifest physical symptoms that may contribute to or exacerbate IBS. Anxiety is often experienced by those who have an OCD and is an acute presence in panic disorder. The first step in the management of a person with anxiety symptoms involves evaluating the possible presence of an underlying medical cause, whose recognition is essential in order to decide the correct treatment.[6][7] Anxiety symptoms may mask an organic disease, or appear associated with or as a result of a medical disorder.[6][7][8][9]

When we are mildly concerned (worried, afraid), the stress response produces a mild reaction in the body. When we are greatly concerned/worried/afraid, the stress response produces a dramatic reaction in the body. Since the stress response is directly proportional to the degree of worry, a panic attack and its symptoms are generally the result of serious worry, concern, and fear.

Anxiety is typified by exaggerated worries and expectations of negative outcomes in unknown situations, and such concerns are often accompanied by physical symptoms. These include muscle tension, headaches, stomach cramps, and frequent urination. Behavioral therapies, with or without medication to control symptoms, have proved highly effective against anxiety, especially in children.

If you have Panic Disorder, the chances are very high that you have altered your life in some significant way in an effort to prevent or avoid additional panic attacks. It is common, for instance, for people to limit their travel; to restrict their driving (maybe staying within a certain radius from home, or avoiding highways); to avoid large, crowded shopping malls; and in general, to attempt to avoid any activity from which "escape" may be difficult.

Almost everyone has something they fear – maybe it's spiders, enclosed spaces, or heights. When we encounter these "threats," our hearts might begin to race, or our hands may become sweaty. Many fear-related disorders are treated using exposure therapy. This helps people "unlearn" a threat fear response by breaking the association between the "trigger." Imagination allows patients to immerse themselves with a triggering stimulus in a controlled way, at their own pace, which is why it could be a promising new form of treatment.
Exercises to replace negative thoughts with positive ones: Make a list of the negative thoughts that might be cycling as a result of anxiety, and write down another list next to it containing positive, believable thoughts to replace them. Creating a mental image of successfully facing and conquering a specific fear can also provide benefits if anxiety symptoms relate to a specific cause, such as in a phobia.
A first panic attack is usually unexpected, and comes "out of the blue." It may scare you so much that you start taking steps to protect yourself from future attacks. Maybe you start avoiding places that remind you of your first attack. Maybe you only go out after making sure you have your cell phone, a bottle of water, and other objects you hope will keep you safe. Maybe you try hard to "stop thinking about it." You work hard to keep the panic at bay.

This may sound counter-intuitive but trying to accept one's emotional experience can be very helpful during panic attacks. Remind yourself that anxiety is like a wave, what goes up must come down. Fighting against the experience engages the "fear of fear" cycle that can make you feel even worse. If you notice panic symptoms creeping up, label your experience and you remind yourself, "I will be okay. This will pass in time." Accepting your experience, rather than fighting against it, will likely help your panic symptoms reduce more quickly and will feel easier along the way.
Foster the development of a strong peer network. It's probably no surprise to hear that peer relationships become a major source of support during adolescence. Encourage your child to engage in interests (like arts, music, and sports) that will help them develop and maintain friendships. If your child already has a very busy and structured schedule, try to carve out some time for more relaxed socializing. However, note that sometimes peers can be the source of anxiety, whether through peer pressure or bullying. Check in with your child about the nature of their relationships with others in their social circle (school or class).
Agoraphobia is often comorbid with panic disorder — meaning people often suffer from both conditions at the same time. It's an intense fear of not being able to escape whatever place you're in, and can often lead to an avoidance of leaving the house. People with agoraphobia can fear situations where this anxiety might flare up, and typically don't feel comfortable or safe in public, crowded places. 
iv suffered with severe anxiety since i suffered a massive panic attack 2 years ago on holiday in spain . i have battled with it and im still fighting now i go through times were im fine but other times like now im still fighting the anxiety attacks . the above advice has helped me so much :)one thing i wanted to ask does anxiety attacks cause headaches (pressure type) ? xxx

A phobia is an unrealistic or exaggerated fear of a specific object, activity, or situation that in reality presents little to no danger. Common phobias include fear of animals (such as snakes and spiders), fear of flying, and fear of heights. In the case of a severe phobia, you might go to extreme lengths to avoid the thing you fear. Unfortunately, avoidance only strengthens the phobia.
When we’re anxious, the body produces a stress response. The stress response is designed to give us an extra ‘boost’ of awareness and energy when we think we could be in danger. The stress response causes a number of physiological, psychological, and emotional changes in the body that enhance the body’s ability to deal with a perceived threat – to either fight or flee, which is the reason the stress response is often referred to as the ‘fight or flight response.’