Donna Shelley, professor and vice dean for research at the New York University School of Global Public Health, said that while nicotine pouches don't cause the same health problems as products containing tobacco, she wouldn't call them "safe." "Some of the negative health effects of the nicotine pouches include gastrointestinal symptoms, like nausea, gum soreness and ulcers, and also some cardiovascular risks like elevated heart rate," said Shelley, who researches tobacco control, adding, "We don't know the full safety profile yet." A 2023 study that compared Zyn pouches to smokeless tobacco and nicotine replacement products found that while Zyn doesn't contain "nitrosamines or some of those real known cancer-causing agents, it does contain some chemicals like formaldehyde that the FDA has said are potentially harmful," she said
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Key Characteristics Teeth appear longer than normal Roots may become visible Increased sensitivity to hot, cold, or sweet foods Inflammation or bleeding when brushing Pockets forming between teeth and gums Extra Clinical Detail: Stages of Gum Recession Mild recession 12 mm of gum loss, often with mild sensitivity Moderate recession 34 mm of gum loss, visible tooth root, possible gum inflammation Severe recession More than 5 mm of gum loss, tooth mobility, risk of bone loss What Causes Receding Gums
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