Multiple accounts describe alleged health effects linked to nicotine pouches used by teenagers. One account features Clare Nichols, who says she began using nicotine pouches at age 15 and continued for about two years. She attributes subsequent health problems to nicotine pouches, describing serious impacts including heart-related issues, asthma or respiratory worsening, and severe dental damage that ultimately required medical intervention. The reporting highlights that, despite the claimed harms, nicotine pouches are described as legally available to people under 18s. Across the sources provided, there is no detailed medical record, dosage, or independent clinical confirmation included; the accounts are presented as personal testimony within the broader discussion of risk and legal availability. Overall, the articles focus on the contention that nicotine pouch use among minors can lead to significant health consequences, while drawing attention to the regulatory position that allows under-18 access.