Thumb-Sucking, Nail-Biting, and Atopic Sensitization, Asthma, and Hay Fever
Pediatrics | 13 Jul 2016
SJ Lynch, MR Sears and RJ Hancox
Abstract
The hygiene hypothesis suggests that early-life exposure to microbial organisms reduces the risk of developing allergies. Thumb-sucking and nail-biting are common childhood habits that may increase microbial exposures. We tested the hypothesis that children who suck their thumbs or bite their nails have a lower risk of developing atopy, asthma, and hay fever in a population-based birth cohort followed to adulthood.
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- Concepts
- Habits, Hygiene hypothesis, Microorganism, Allergen, Hypersensitivity, Atopy, Allergy, Asthma
- MeSH headings
- -
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