I did not know that in the Bible the verse would be able to see all the way to Today's modern Modem of language on the Tongue!! Good thing that we finally know what 'Gad' actually is, don't you think??
Numbers 10:20
“And over the host of the tribe of the children of *Gad was Eliasaph the son of Deuel.”
Gad
From Wikipedia, the free encyclopedia
| Generalized Anxiety Disorder | |
|---|---|
| Classification and external resources | |
| Specialty | Psychiatry |
| ICD-10 | F41.1 |
| ICD-9-CM | 300.02 |
| MedlinePlus | 000917 |
| eMedicine | article/916933 |
Generalized anxiety disorder (GAD) is an anxiety disorder characterized by excessive, uncontrollable and often irrational worry, that is, apprehensive expectation about events or activities.[1] This excessive worry often interferes with daily functioning, as individuals with GAD typically anticipate disaster, and are overly concerned about everyday matters such as health issues, money, death, family problems, friendship problems, interpersonal relationship problems, or work difficulties.[2][3] Individuals often exhibit a variety of physical symptoms, including fatigue, fidgeting, headaches, nausea, numbness in hands and feet, muscle tension, muscle aches, difficulty swallowing, excessive stomach acid buildup, stomach pain, vomiting, diarrhea, bouts of breathing difficulty, difficulty concentrating, trembling, twitching, irritability, agitation, sweating, restlessness, insomnia, hot flashes, rashes, and inability to fully control the anxiety (ICD-10).[4] These symptoms must be consistent and ongoing, persisting at least six months, for a formal diagnosis of GAD.[1][2]
In a given year, approximately two percent of American adults and European adults experience GAD.[5][6] GAD is seen in women twice as much as men. GAD is also common in individuals with a history of substance abuse and a family history of the disorder.[7] Once GAD develops, it may become chronic, but can be managed or eliminated with proper treatment.[8]
Standardized rating scales such as GAD-7 can be used to assess severity of GAD symptoms.[9] GAD is the most common cause of disability in the workplace in the United States.[10]
Causes[edit]
Genetics[edit]
About a third of the variance for generalized anxiety disorder has been attributed to genes.[11] Individuals with a genetic predisposition for GAD are more likely to develop GAD, especially in response to a life stressor.[12]
Substance induced[edit]
Long-term use of benzodiazepines can worsen underlying anxiety,[13][14] with evidence that reduction of benzodiazepines can lead to a lessening of anxiety symptoms.[15] Similarly, long-term alcohol use is associated with anxiety disorders,[16] with evidence that prolonged abstinence can result in a disappearance of anxiety symptoms.[17] However, it can take up to two years for anxiety symptoms to return to baseline in about a quarter of people recovering from alcoholism.[18]
In one study in 1988–90, illness in approximately half of patients attending mental health services at British hospital psychiatric clinic, for conditions including anxiety disorderssuch as panic disorder or social phobia, was determined to be the result of alcohol or benzodiazepine dependence. In these patients, anxiety symptoms, while worsening initially during the withdrawal phase, disappeared with abstinence from benzodiazepines or alcohol. Sometimes anxiety pre-existed alcohol or benzodiazepine dependence, but the dependence was acting to keep the anxiety disorders going and often progressively making them worse. Recovery from benzodiazepines tends to take a lot longer than recovery from alcohol, but people can regain their previous good health.[18]
Tobacco smoking has been established as a risk factor for developing anxiety disorders.[19]
Excessive Caffeine usage has been linked to anxiety.[20]
Mechanisms[edit]
Generalized anxiety disorder has been linked to disrupted functional connectivity of the amygdala and its processing of fear and anxiety.[21]Sensory information enters the amygdala through the nuclei of the basolateral complex (consisting of lateral, basal and accessory basal nuclei). The basolateral complex processes the sensory-related fear memories and communicates their threat importance to memory andsensory processing elsewhere in the brain, such as the medial prefrontal cortex and sensory cortices.
Another area, the adjacent central nucleus of the amygdala, controls species-specific fear responses in its connections to the brainstem,hypothalamus and cerebellum areas. In those with generalized anxiety disorder, these connections seem less functionally distinct, and there is greater gray matter in the central nucleus. Another difference is that the amygdala areas have decreased connectivity with the insula andcingulate areas that control general stimulus salience, while having greater connectivity with the parietal cortex and prefrontal cortexcircuitsthat underlie executive functions.[21] The latter suggests a compensation strategy for dysfunctional amygdala processing of anxiety. This is consistent with cognitive theories that suggest the use in this disorder of attempts to reduce the involvement of emotions with compensatory cognitive strategies.[21]
Diagnosis[edit]
DSM-5 criteria[edit]
The diagnostic criteria for GAD as defined by the Diagnostic and Statistical Manual of Mental Disorders DSM-5 (2013),[1] published by the American Psychiatric Association, are as follows:
A. Excessive anxiety and worry (apprehensive expectation), occurring more days than not for at least 6 months, about a number of events or activities (such as work or school performance).
B. The individual finds it difficult to control the worry.
C. The anxiety and worry are associated with three (or more) of the following six symptoms (with at least some symptoms having been present for more days than not for the past 6 months):
Note: Only one item is required in children.
A. Excessive anxiety and worry (apprehensive expectation), occurring more days than not for at least 6 months, about a number of events or activities (such as work or school performance).
B. The individual finds it difficult to control the worry.
C. The anxiety and worry are associated with three (or more) of the following six symptoms (with at least some symptoms having been present for more days than not for the past 6 months):
Note: Only one item is required in children.
- Restlessness or feeling keyed up or on edge.
- Being easily fatigued.
- Difficulty concentrating or mind going blank.
- Irritability.
- Muscle tension.
- Sleep disturbance (difficulty falling or staying asleep, or restless, unsatisfying sleep).
D. The anxiety, worry, or physical symptoms cause clinically significant distress or impairment in social, occupational, or other important areas of functioning.
E. The disturbance is not attributable to the physiological effects of a substance (e.g., a drug of abuse, a medication) or another medical condition (e.g., hyperthyroidism).
F. The disturbance is not better explained by another mental disorder (e.g., anxiety or worry about having panic attacks in panic disorder, negative evaluation in social anxiety disorder social phobia, contamination or other obsessions in obsessive-compulsive disorder, separation from attachment figures in separation anxiety disorder, reminders of traumatic events in posttraumatic stress disorder, gaining weight in anorexia nervosa, physical complaints in somatic symptom disorder, perceived appearance flaws in body dysmorphic disorder, having a serious illness in illness anxiety disorder, or the content of delusional beliefs in schizophrenia or delusional disorder).[1] No major changes to GAD have occurred since publication of the Diagnostic and Statistical Manual of Mental Disorders (2004); minor changes include wording of diagnostic criteria.[22]
E. The disturbance is not attributable to the physiological effects of a substance (e.g., a drug of abuse, a medication) or another medical condition (e.g., hyperthyroidism).
F. The disturbance is not better explained by another mental disorder (e.g., anxiety or worry about having panic attacks in panic disorder, negative evaluation in social anxiety disorder social phobia, contamination or other obsessions in obsessive-compulsive disorder, separation from attachment figures in separation anxiety disorder, reminders of traumatic events in posttraumatic stress disorder, gaining weight in anorexia nervosa, physical complaints in somatic symptom disorder, perceived appearance flaws in body dysmorphic disorder, having a serious illness in illness anxiety disorder, or the content of delusional beliefs in schizophrenia or delusional disorder).[1] No major changes to GAD have occurred since publication of the Diagnostic and Statistical Manual of Mental Disorders (2004); minor changes include wording of diagnostic criteria.[22]
ICD-10 criteria[edit]
ICD-10 Generalized anxiety disorder "F41.1"
Note: For children different criteria may be applied (see F93.80).
Note: For children different criteria may be applied (see F93.80).
A. A period of at least six months with prominent tension, worry and feelings of apprehension, about everyday events and problems.
B. At least four symptoms out of the following list of items must be present, of which at least one from items (1) to (4).
B. At least four symptoms out of the following list of items must be present, of which at least one from items (1) to (4).
- Autonomic arousal symptoms
- (1) Palpitations or pounding heart, or accelerated heart rate.
- (2) Sweating.
- (3) Trembling or shaking.
- (4) Dry mouth (not due to medication or dehydration).
- Symptoms concerning chest and abdomen
- (5) Difficulty breathing.
- (6) Feeling of choking.
- (7) Chest pain or discomfort.
- (8) Nausea or abdominal distress (e.g. churning in stomach).
- Symptoms concerning brain and mind
- (9) Feeling dizzy, unsteady, faint or light-headed.
- (10) Feelings that objects are unreal (derealization), or that one's self is distant or "not really here" (depersonalization).
- (11) Fear of losing control, going crazy, or passing out.
- (12) Fear of dying.
- General symptoms
- (13) Hot flushes or cold chills.
- (14) Numbness or tingling sensations.
- Symptoms of tension
- (15) Muscle tension or aches and pains.
- (16) Restlessness and inability to relax.
- (17) Feeling keyed up, or on edge, or of mental tension.
- (18) A sensation of a lump in the throat, or difficulty with swallowing.
- Other non-specific symptoms
- (19) Exaggerated response to minor surprises or being startled.
- (20) Difficulty in concentrating, or mind going blank, because of worrying or anxiety.
- (21) Persistent irritability.
- (22) Difficulty getting to sleep because of worrying.
C. The disorder does not meet the criteria for panic disorder (F41.0), phobic anxiety disorders (F40.-), obsessive-compulsive disorder (F42.-) or hypochondriacal disorder (F45.2).
D. Most commonly used exclusion criteria: not sustained by a physical disorder, such as hyperthyroidism, an organic mental disorder (F0) or psychoactive substance-related disorder (F1), such as excess consumption of amphetamine-like substances, or withdrawal from benzodiazepines.[4]
D. Most commonly used exclusion criteria: not sustained by a physical disorder, such as hyperthyroidism, an organic mental disorder (F0) or psychoactive substance-related disorder (F1), such as excess consumption of amphetamine-like substances, or withdrawal from benzodiazepines.[4]
Prevention[edit]
Focus is increasing on prevention of mental disorders. Avoidance of caffeine may prevent GAD.[23] Additionally, avoiding nicotine decreases the risk for the development ofanxiety disorders including generalized anxiety disorder.[24]
Treatment[edit]
Meta-analysis indicates that both cognitive behavioral therapy (CBT) and medications (such as SSRIs) have been shown to be effective in reducing anxiety. A comparison of overall outcomes of CBT and medication on anxiety did not show statistically significant differences (i.e. they were equally effective in treating anxiety). However, CBT is significantly more effective in reducing depression severity, and its effects are more likely to be maintained in the long term, whereas the effectiveness of pharmacologic treatment tends to lessen if medication is discontinued.[25] A combination of both CBT and medication is generally seen as the most desirable approach to treatment.[26] Use of medication to lower extreme anxiety levels can be important in enabling patients to engage effectively in CBT.
Therapy[edit]
Generalized anxiety disorder is based on psychological components that include cognitive avoidance, positive worry beliefs, ineffective problem-solving and emotional processing, interpersonal issues, previous trauma, intolerance of uncertainty, negative problem orientation, ineffective coping, emotional hyperarousal, poor understanding of emotions, negative cognitive reactions to emotions, maladaptive emotion management and regulation, experiential avoidance, and behavioral restriction.[27] To combat the previous cognitive and emotional aspects of GAD, psychologists often include some of the following key treatment components in their intervention plan; self-monitoring, relaxation techniques, self-control desensitization, gradual stimulus control, cognitive restructuring, worry outcome monitoring, present-moment focus, expectancy-free living, problem-solving techniques, processing of core fears, socialization, discussion and reframing of worry beliefs, emotional skills training, experiential exposure, psychoeducation, mindfulness and acceptance exercises.[27] There exist behavioral, cognitive, and a combination of both treatments for GAD that focus on some of those key components.
Among the cognitive–behavioral orientated psychotherapies the two main treatments are cognitive behavioral therapy and acceptance and commitment therapy (ACT).[28]Intolerance of uncertainty therapy and motivational interviewing are two new treatments for GAD that are used as either stand-alone treatments or additional strategies that may enhance CBT.[29]
Cognitive behavioral therapy[edit]
Cognitive behavioral therapy (CBT) is a psychological method of treatment for GAD that involves a therapist working with the patient to understand how thoughts and feelingsinfluence behaviour.[30] The goal of the therapy is to change negative thought patterns that lead to the patient's anxiety, replacing them with positive, more realistic ones. Elements of the therapy include exposure strategies to allow the patient to confront their anxieties gradually and feel more comfortable in anxiety-provoking situations, as well as to practice the skills they have learned. CBT can be used alone or in conjunction with medication.[31]
Components of Cognitive Behavioral Therapy (CBT) for GAD includes psychoeducation, self-monitoring, stimulus control techniques, relaxation, self-control desensitization, cognitive restructuring, worry exposure, worry behavior modification, and problem-solving. The first step in the treatment of GAD is psychoeducation, which involves giving information to the patient about the disorder and the treatment. The purpose of psychoeducation is to provide some relief, destigmatization of the disorder, enhance motivation for treatment based on a rationale of the components of the treatment, and increasing compliance by developing realistic expectations about treatment. Self-monitoring requires daily monitoring the times and levels of anxiety as well as the events that provoked them. The purpose of this component is to identify cues that provoke the anxiety. Stimulus control intervention refers to minimizing the stimulus conditions under which worrying occurs. Patients are instructed to postpone worrying during the day to a specific selected time and location in which the focus is only worrying and problem-solving. Relaxation techniques lower the patients' stress and thus increase attention to alternatives in feared situations (other than worrying). Deep breathing exercise, progressive muscle relaxation, and applied relaxation fall under the scope of relaxation techniques.[29]
Self-control desensitization involves patients being deeply relaxed before vividly imagining themselves in situations that usually make them anxious and worry until internal anxiety cues are triggered. Patients then imagine themselves coping with the situation and decreasing their anxious response. If anxiety diminishes, they then enter a deeper relaxed state and turn off the scene. The purpose of cognitive restructuring is to shift from a worrisome outlook to a more functional and adaptive perception of the world, the future, and the self. It involves socratic questioning that leads patients to think through their worries and anxieties so they can realize that alternative interpretations and feelings are more accurate. It also involves behavioral experiments that actually test the validity of both the negative and alternative thoughts in real-life situations. In CBT for GAD, patients also engage in worry exposure exercises during which they are asked to imagine themselves exposed to images of the most feared outcomes. Then they engage in response-prevention instruction that prevents them from avoiding the image and motivates alternative outcomes to the feared stimulus. The goals of worry exposure are habituation and reinterpretation of the meaning of the feared stimulus. Worry behavior prevention requires patients to monitor the behaviors that caused them worry and are then asked to prevent themselves from engaging in them. Instead they are encouraged to use other coping mechanisms learned earlier in the treatment. Finally, problem solving focuses on dealing with current problems through a problem-solving approach: (1) definition of the problem, (2) formulation of goals, (3) creation of alternative solutions, (4) decision-making, and (5) implementing and verifying the solutions.[29]
There is little debate regarding the effectiveness of CBT for GAD. However, there is still room for improvement because only about 50% of those who complete treatments achieve higher functioning or recovery after treatment. Therefore, there's a need for enhancement of current components of CBT.[29] CBT usually helps one third of the patients substantially, whilst another third does not respond at all to treatment.[32]
Acceptance and commitment therapy[edit]
Acceptance and commitment therapy (ACT) is a behavioral treatment based on acceptance-based models. ACT is designed with the purpose to target three therapeutic goals: (1) reduce the use of avoiding strategies intended to avoid feelings, thoughts, memories, and sensations; (2) decreasing a person's literal response to their thoughts (e.g., understanding that thinking "I'm hopeless" does not mean that the person's life is truly hopeless), and (3) increasing the person's ability to keep commitments to changing their behaviors. These goals are attained by switching the person's attempt to control events to working towards changing their behavior and focusing on valued directions and goals in their lives as well as committing to behaviors that help the individual accomplish those personal goals.[33] This psychological therapy teaches mindfulness (paying attention on purpose, in the present, and in a nonjudgmental manner) and acceptance (openness and willingness to sustain contact) skills for responding to uncontrollable events and therefore manifesting behaviors that enact personal values.[34] Like many other psychological therapies, ACT works best in combination with pharmacology treatments.[citation needed]
Intolerance of uncertainty therapy[edit]
Intolerance of uncertainty therapy (IUT) refers to a consistent negative reaction to uncertain and ambiguous events regardless of their likelihood of occurrence. IUT is used as a stand-alone treatment for GAD patients. Thus, IUT focuses on helping patients in developing the ability to tolerate, cope with and accept uncertainty in their life in order to reduce anxiety. IUT is based on the psychological components of psychoeducation, awareness of worry, problem-solving training, re-evaluation of the usefulness of worry, imagining virtual exposure, recognition of uncertainty, and behavioral exposure. Studies have shown support for the efficacy of this therapy with GAD patients with continued improvements in follow-up periods.[29]
Motivational interviewing[edit]
A promising innovative approach to improving recovery rates for the treatment of GAD is to combine CBT with Motivational Interviewing (MI). Motivational Interviewing is a strategy centered on the patient that aims to increase intrinsic motivation and decrease ambivalence about change due to the treatment. MI contains four key elements; (1) express empathy, (2) heighten dissonance between behaviors that are not desired and values that are not consistent with those behaviors, (3) move with resistance rather than direct confrontation, and (4) encourage self-efficacy. It is based on asking open-ended questions and listening carefully and reflectively to patients' answers, eliciting "change talk", and talking with patients about the pros and cons of change. Some studies have shown the combination of CBT with MI more efficient than CBT alone.[29]
Medications[edit]
An international review of psychiatrists' management of patients with generalized anxiety disorder (GAD) reported that the preferred first-line pharmacological treatments of GAD were selective serotonin reuptake inhibitors (SSRIs) (80%), followed by serotonin–norepinephrine reuptake inhibitors (SNRIs) (43%), and pregabalin (35%). Preferred second-line treatments were SNRIs (41%) and pregabalin (36%).[35]
Selective serotonin reuptake inhibitors[edit]
Pharmaceutical treatments for GAD include selective serotonin reuptake inhibitors (SSRIs).[31] These are the preferred first line of treatment.[35] The two SSRI antidepressants approved by the FDA are Prozac and Paxil (paroxetine).
Common side effects include nausea, sexual dysfunction, headache, diarrhea, constipation, restlessness, increased risk of suicide in young adults and adolescents,[36] serotonin syndrome (caused by an overdose of the SSRI), among others.
Benzodiazepines[edit]
Benzodiazepines are most often prescribed to patients with Generalized Anxiety Disorder. Research suggests that these drugs give some relief, at least in the short term. However, they carry some risks, mainly impairment of both cognitive and motor functioning, and psychological and physical dependence that makes it difficult for patients to stop taking them. It has been noted that people taking benzodiazepines are not as alert on their job or at school. Additionally, these drugs may impair driving and they are often associated with falls in the elderly, resulting in hip fractures. These shortcomings make the use of benzodiazepines optimal only for short-term relief of anxiety.[37] CBT and medication are of comparable efficacy in the short-term but CBT has advantages over medication in the longer term.[38]
Benzodiazepines (or "benzos") are fast-acting hypnotic sedatives that are also used to treat GAD and other anxiety disorders.[31] Benzodiazepines are prescribed for generalized anxiety disorder and show beneficial effects in the short term. Popular Benzodiazepines for GAD include alprazolam, lorazepam and clonazepam. The World Council of Anxiety does not recommend the long-term use of benzodiazepines because they are associated with the development of tolerance, psychomotor impairment, cognitive and memory impairments, physical dependence and a withdrawal syndrome.[39][40] Side effects include drowsiness, reduced motor coordination and problems with equilibrioception.
Pregabalin and gabapentin[edit]
Pregabalin (Lyrica) acts on the voltage-dependent calcium channel to decrease the release of neurotransmitters such as glutamate, norepinephrine and substance P. Its therapeutic effect appears after 1 week of use and is similar in effectiveness to lorazepam, alprazolam and venlafaxine but pregabalin has demonstrated superiority by producing more consistent therapeutic effects for psychic and somatic anxiety symptoms. Long-term trials have shown continued effectiveness without the development of tolerance and additionally, unlike benzodiazepines, it does not disrupt sleep architecture and produces less severe cognitive and psychomotor impairment. It also has a low potential for abuse and dependency and may be preferred over the benzodiazepines for these reasons.[41][42] The anxiolytic effects of pregabalin appear rapidly after administration, similar to the benzodiazepines, which gives pregabalin an advantage over many anxiolytic medications such as antidepressants.[43]
Gabapentin (Neurontin), a closely related drug to pregabalin with the same mechanism of action, has also demonstrated effectiveness in the treatment of GAD,[44] though unlike pregabalin, it has not been approved specifically for this indication. Nonetheless, it is likely to be of similar usefulness in the management of this condition, and by virtue of being off-patent, it has the advantage of being significantly less expensive in comparison.[45] In accordance, gabapentin is frequently prescribed off-label to treat GAD.[46]
Psychiatric drugs[edit]
- 5-HT1A receptor partial agonists, such as buspirone (BuSpar) and tandospirone (Sediel).
- Serotonin-norepinephrine reuptake inhibitors (SNRIs), such as venlafaxine (Effexor) and duloxetine (Cymbalta) .
- Newer, atypical serotonergic antidepressants, such as vilazodone (Viibryd), vortioxetine (Brintellix), and agomelatine (Valdoxan).
- Tricyclic antidepressants (TCAs), such as imipramine (Tofranil) and clomipramine (Anafranil) .
- Certain monoamine oxidase inhibitors (MAOIs), such as moclobemide (Aurorix) and, rarely, phenelzine (Nardil).
Other drugs[edit]
- Hydroxyzine (Atarax) - Antihistamine, 5-HT2A receptor antagonist.
- Propranolol (Inderal) - Sympatholytic, beta blocker.
- Clonidine - Sympatholytic, α2-adrenergic receptor agonist.
- Guanfacine - Sympatholytic, α2-adrenergic receptor agonist.
- Prazosin - Sympatholytic, alpha blocker.
Comorbidity[edit]
GAD and depression[edit]
In the National Comorbidity Survey (2005), 58 percent of patients diagnosed with major depression were found to have an anxiety disorder; among these patients, the rate of comorbidity with GAD was 17.2 percent, and with panic disorder, 9.9 percent. Patients with a diagnosed anxiety disorder also had high rates of comorbid depression, including 22.4 percent of patients with social phobia, 9.4 percent with agoraphobia, and 2.3 percent with panic disorder.[citation needed] A longitudinal cohort study found 12% of the 972 participants had GAD comorbid with MDD.[47] Accumulating evidence indicates that patients with comorbid depression and anxiety tend to have greater illness severity and a lower treatment response than those with either disorder alone.[48] In addition, social function and quality of life are more greatly impaired.
For many, the symptoms of both depression and anxiety are not severe enough (i.e. are subsyndromal) to justify a primary diagnosis of either major depressive disorder (MDD) or an anxiety disorder. However, dysthymia is the most prevalent comorbid diagnosis of GAD clients. Patients can also be categorized as having mixed anxiety-depressive disorder, and they are at significantly increased risk of developing full-blown depression or anxiety.[citation needed]
GAD and substance abuse disorders[edit]
Those with GAD have a lifetime comorbidity prevalence of 30% to 35% with alcohol abuse and dependence and 25% to 30% for drug abuse and dependence.[49] Sufferers of both GAD and a substance abuse disorder also have a higher lifetime prevalence for other comorbidities.[49] A study found that GAD was the primary disorder in slightly more than half of the 18 participants that were comorbid with alcohol use disorder.[50]
Other comorbidities[edit]
In addition to coexisting with depression, research shows that GAD often coexists with conditions associated with stress, such as irritable bowel syndrome.[51] Patients with GAD can sometimes present with symptoms such as insomnia or headaches as well as pain, cardiac events and interpersonal problems.[52]
Further research suggests that about 20 to 40 percent of individuals with attention deficit hyperactivity disorder have comorbid anxiety disorders, with GAD being the most prevalent.[53]
The World Health Organization's Global Burden of Disease project did not include generalized anxiety disorders.[54] In lieu of global statistics, here are some prevalence rates from around the world:
- Australia: 3 percent of adults[54]
- Canada: Between 3 and 5 percent of adults[citation needed]
- Italy: 2.9 percent[55]
- Taiwan: 0.4 percent[55]
- United States: approx. 3.1 percent of people age 18 and over in a given year (9.5 million)[5]
The usual age of onset is variable, from childhood to late adulthood, with the median age of onset being approximately 31[56] and mean age of onset is 32.7.[57] Most studies find that GAD is associated with an earlier and more gradual onset than the other anxiety disorders.[58] The prevalence of GAD in children is approximately 3%; the prevalence in adolescents is reported as high as 10.8%.[59] When GAD appears in children and adolescents, it typically begins around 8 to 9 years of age.[60]
Populations that are at an increased risk of GAD are individuals with low and middle socio-economic status, separated, divorced, and widowed individuals. Women are twice as likely to develop GAD as men. This is primarily because women are more likely than men to live in poverty, be subject to discrimination, and be sexually and physically abused.[61]GAD is also common in the elderly population.[62]
Compared to the general population, patients with internalizing disorders such as depression, generalized anxiety disorder (GAD) and post-traumatic stress disorder (PTSD) have higher mortality rates, but die of the same age-related diseases as the population, such as heart disease, cerebrovascular disease and cancer.[63]
Comorbidity and treatment[edit]
A study on comorbidity of GAD and other depressive disorders has shown that treatment is not more or less effective when there is some sort of comorbidity of another disorder.[64] The severity of symptoms did not affect the outcome of the treatment process in these cases.
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