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Hypovitaminosis D has been associated with many neurological conditions. However, an actual mechanism of action for each of the conditions has yet to be solidified. Many researchers have questioned whether the depletion of vitamin D actually causes these disorders or if vitamin D deficiency is a symptom of these disorders. [medical citation needed]
Regions far from the equator have a high seasonal variation of the amount and intensity of sunlight. In the UK, the prevalence of low vitamin D status in children and adolescents is found to be higher in winter than in summer. [43] Lifestyle factors such as indoor versus outdoor work and time spent in outdoor recreation play an important role.
Anxiety disorders affect nearly 30% of adults at some point in their lives, with an estimated 4% of the global population currently experiencing an anxiety disorder. However, anxiety disorders are treatable, and a number of effective treatments are available. [11] Most people are able to lead normal, productive lives with some form of treatment ...
Risk factors for mental illness include psychological trauma, adverse childhood experiences, genetic predisposition, and personality traits. [7] [8] Correlations between mental disorders and substance use are also found to have a two way relationship, in that substance use can lead to the development of mental disorders and having mental disorders can lead to substance use/abuse.
Vitamin D levels might be evaluated, as low levels of vitamin D have been associated with greater risk for depression. [102] Subjective cognitive complaints appear in older depressed people, but they can also be indicative of the onset of a dementing disorder , such as Alzheimer's disease .
Generalized anxiety disorder (GAD) is an anxiety disorder characterized by excessive, uncontrollable and often irrational worry about events or activities. [5] Worry often interferes with daily functioning, and individuals with GAD are often overly concerned about everyday matters such as health, finances, death, family, relationship concerns, or work difficulties.
Some known causes that increase the risk of having a panic attack include medical and psychiatric conditions (e.g., panic disorder, social anxiety disorder, post-traumatic stress disorder, substance use disorder, depression), substances (e.g., nicotine, caffeine), and psychological stress. [2] [4]
Associated factors contributing to the low vitamin D levels are seasonal variations such as winter, when there is minimal sunlight, less time spent outdoors, and people cover up due to cold weather. [2] Environmental factors that impact vitamin D production are the elevation of the sun above the horizon and amount of cloud cover.