HealthIntell Articles
Explore recent HealthIntell articles, condition explainers, and FAQ guides. To browse by health topic, visit Conditions.
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Causes of Chickenpox
Chickenpox is caused by infection with the varicella-zoster virus (VZV), a human herpesvirus that spreads from person to person and then enters cells in the skin and nervous system. The illness develops when the…
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Causes of Carbuncle
What causes carbuncle? A carbuncle develops when a bacterial infection, usually involving Staphylococcus aureus , spreads through several adjacent hair follicles and the surrounding skin, producing a larger, deeper pocket of inflammation and pus…
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Causes of Bullous pemphigoid
Bullous pemphigoid is caused by an autoimmune reaction in which the immune system mistakenly attacks proteins that anchor the outer layer of the skin to the deeper layers beneath it. This attack weakens the…
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Causes of Basal cell carcinoma
Basal cell carcinoma develops primarily because of damage to the DNA of basal cells in the skin, most often from long-term ultraviolet (UV) exposure. When these cells accumulate genetic errors that disrupt normal growth…
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Causes of Atopic dermatitis
Atopic dermatitis develops from a combination of impaired skin barrier function, immune system dysregulation, genetic susceptibility, and environmental exposures that provoke chronic inflammation in the skin. Rather than arising from a single cause, it…
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Causes of Androgenetic alopecia
Androgenetic alopecia is caused by a combination of genetic susceptibility and the body’s response to androgens, especially dihydrotestosterone (DHT). In people who are predisposed, hair follicles gradually become less able to produce normal terminal…
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Causes of Actinic keratosis
Actinic keratosis is caused primarily by long-term damage to skin cells from ultraviolet (UV) radiation, especially from sunlight. Over time, repeated UV exposure disrupts the normal behavior of the outer skin layer, leading to…