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Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic habit of biting one's fingernails.It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking.
Trichotillomania (TTM), also known as hair-pulling disorder or compulsive hair pulling, is a mental disorder characterized by a long-term urge that results in the pulling out of one's own hair. [2] [4] A brief positive feeling may occur as hair is removed. [5] Efforts to stop pulling hair typically fail.
Although the prevalence rates vary greatly, between 37% and 100%, [101] there appears to be a link between traumatic events and eating disorder diagnosis. [102] Approximately 72% of individuals with anorexia report experiencing a traumatic event prior to the onset of eating disorder symptoms, with binge-purge subtype reporting the highest rates.
Scurvy is a disease resulting from a lack of vitamin C (ascorbic acid). [1] Early symptoms of deficiency include weakness, fatigue, and sore arms and legs. [1] [2] Without treatment, decreased red blood cells, gum disease, changes to hair, and bleeding from the skin may occur.
Darkening depigmented skin is also extremely difficult. [25] Depigmentation causes a permanent and extreme sensitivity to the sun. [26] Vitiligo patients are at risk to contract melanoma, and an annual cancer check-up is recommended. [27] Jackson also covered his skin disorder with clothing wearing long sleeves and long pants.
The most common comorbid disorders are depression and anxiety, [16] although cases of depersonalization disorder without symptoms of either do exist. Comorbid obsessive/compulsive behaviors may exist as attempts to deal with depersonalization, such as checking whether symptoms have changed and avoiding behavioral and cognitive factors that ...
BDD is also comorbid with eating disorders, up to 12% comorbidity in one study. Both eating and body dysmorphic disorders are concerned with physical appearance, but eating disorders tend to focus more on weight rather than one's general appearance. [46] BDD is classified as an obsessive–compulsive disorder in DSM-5.
Nocturnal sleep-related eating disorder (NSRED) is a combination of a parasomnia and an eating disorder.It is a non-rapid eye movement sleep (NREM) parasomnia. [1] It is described as being in a specific category within somnambulism or a state of sleepwalking that includes behaviors connected to a person's conscious wishes or wants. [2]