HealthIntell Articles
Explore recent HealthIntell articles, condition explainers, and FAQ guides. To browse by health topic, visit Conditions.
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Causes of Herpes zoster
Herpes zoster, commonly called shingles, is caused by the reactivation of the varicella-zoster virus, the same virus that causes chickenpox. After a person recovers from the initial infection, the virus does not leave the…
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Causes of Herpes simplex
What causes Herpes simplex? At its core, Herpes simplex is caused by infection with the herpes simplex virus, usually herpes simplex virus type 1 (HSV-1) or herpes simplex virus type 2 (HSV-2). The condition…
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Causes of Hand, foot, and mouth disease
Hand, foot, and mouth disease is caused by infection with specific enteroviruses, most commonly coxsackievirus A16 and enterovirus 71, and sometimes other related viruses such as coxsackievirus A6. The condition develops when these viruses…
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Causes of Furuncle
What causes furuncle? A furuncle, also called a boil, develops when a hair follicle becomes infected and the surrounding skin and deeper tissue fill with pus. The most common cause is bacterial infection, especially…
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Causes of Onychomycosis
Onychomycosis is caused by an infection of the nail unit, usually by dermatophyte fungi, although yeasts and non-dermatophyte molds can also be responsible. The condition develops when these organisms gain access to the nail,…
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Causes of Morphea
Morphea, also called localized scleroderma, develops when the immune system, connective tissue, and skin-repair processes become dysregulated in a way that leads to excess collagen deposition and tissue hardening. In other words, the condition…
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Causes of Menopause
Menopause is caused by the natural or induced loss of ovarian follicular activity, which leads to a sustained decline in estrogen and progesterone production and ultimately ends menstrual cycling. In biological terms, menopause develops…