Question - What is the prevalence of nickel allergy?
Answer - The cited reference notes “Nickel allergy affects approximately 10% to 15% of the population, with a higher prevalence in women. It is the most common allergen identified on skin patch testing and is associated with a history of ear piercing.” (Tsang A. et al. Nickel related adverse reactions in the treatment of cerebral aneurysms: A literature review. 2018 World Neurosurg. 115:147-153)
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