Genetic risk factors have been documented for all anxiety disorders. Clinical genetic studies indicate that heritability estimates for anxiety disorders range from 30-67%. Many studies, past and present, have focused on identifying specific genetic factors that increase one's risk for an anxiety disorder. To date, an array of single nucleotide polymorphisms (SNPs) or small variations in genetic code, that confer heightened risk for anxiety have been discovered. For the most part, the variants that have been associated with risk for anxiety are located within genes that are critical for the expression and regulation of neurotransmitter systems or stress hormones.
Anxiety disorders often first appear in childhood. This is a very good time to intervene or seek treatment, because children's brains are still developing, and can more easily adapt to new "modes" of thinking, relative to adult brains. Helping your child cope with an anxiety disorder can be a complex task, potentially involving family members, friends, teachers and counselors, and mental health professionals. These five basic tips may also help:
Many studies in the past used a candidate gene approach to test whether single genes were associated with anxiety. These investigations were based on hypotheses about how certain known genes influence neurotransmitters (such as serotonin and norepinephrine) and hormones (such as cortisol) that are implicated in anxiety. None of these findings are well replicated.[59][60][61], with the possible exception of TMEM132D, COMT and MAO-A.[63] The epigenetic signature of BDNF, a gene that codes for a protein called brain derived neurotrophic factor that is found in the brain, has also been associated with anxiety and specific patterns of neural activity.[62] and a receptor gene for BDNF called NTRK2 was associated with anxiety in a large genome-wide investigation.[64] The reason that most candidate gene findings have not replicated is that anxiety is a complex trait that is influenced by many genomic variants, each of which has a small effect on its own. Increasingly, studies of anxiety are using a hypothesis-free approach to look for parts of the genome that are implicated in anxiety using big enough samples to find associations with variants that have small effects. The largest explorations of the common genetic architecture of anxiety have been facilitated by the UK Biobank, the ANGST consortium and the CRC Fear, Anxiety and Anxiety Disorders.[64][65][66]
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
The buildup phase of a panic attack is the most important phase, because it is when you can prevent it. If you are under chronic stress, you become worn down and have no reserve left. Anything can push you over the edge. But if you regularly reduce your stress through a combination of cognitive behavioral therapy and mind-body relaxation, you will have enough reserve left to handle life’s surprises.
While the term "test anxiety" refers specifically to students,[33] many workers share the same experience with regard to their career or profession. The fear of failing at a task and being negatively evaluated for failure can have a similarly negative effect on the adult.[34] Management of test anxiety focuses on achieving relaxation and developing mechanisms to manage anxiety.[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.

The theologian Paul Tillich characterized existential anxiety[27] as "the state in which a being is aware of its possible nonbeing" and he listed three categories for the nonbeing and resulting anxiety: ontic (fate and death), moral (guilt and condemnation), and spiritual (emptiness and meaninglessness). According to Tillich, the last of these three types of existential anxiety, i.e. spiritual anxiety, is predominant in modern times while the others were predominant in earlier periods. Tillich argues that this anxiety can be accepted as part of the human condition or it can be resisted but with negative consequences. In its pathological form, spiritual anxiety may tend to "drive the person toward the creation of certitude in systems of meaning which are supported by tradition and authority" even though such "undoubted certitude is not built on the rock of reality".[27]

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. 
I think I had an anxiety attack the other day, but I’m not sure. I was at the movies and felt scared, like something or someone was going to attack me. I drove home and felt like I was scared of the dark and was having trouble breathing and focusing on driving. After dropping off my bf and driving home, I started crying and hyperventilating, and felt detached from the world, like nothing mattered, and felt like I was going to die. It took me two hours to fall asleep and I had nightmares. The episode was over by morning, but I’m concerned that it will happen again.
Yes. My anxiety started really bad in college when I could no longer play football and I lost the love of my life and on top of that I was broke. 2 major things that I loved was taken from me. And they both could have been prevented and when I came home from college I had no job no money little friends extremely little support and I felt like a failure. I had no directions in life. My mother never understood my anxiety so she didn’t help treat it with care . To her it was pretty much get over it. I felt like I was losing touch with reality. To this day I still struggle with it, but therapy and coping techniques keeps me somewhat grounded and leveled.
There is a long list of signs and symptoms of an anxiety attack. But because each body is somewhat chemically unique, anxiety attacks can affect each person differently. Consequently, anxiety attack symptoms can vary from person to person in type or kind, number, intensity, duration, and frequency. If your symptoms don’t exactly match this list, that doesn’t mean you don’t have anxiety attacks. It simply means that your body is responding to them slightly differently.