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But a doctor may recommend a diagnostic colonoscopy to help identify the cause of symptoms like: Persistent abdominal pain, cramps or gas Frequent indigestion Changes in your bowel habits such as chronic constipation or diarrhea Poop thats consistently not a normal stool color or has an unusual appearance Blood in your stool Unexplained weight loss A diagnostic colonoscopy can help detect a range of conditions which may or may not be cancer

While e-cigarettes are currently considered less harmful than tobacco cigarettes 25 , there is insufficient evidence to support the use of heated tobacco products as harm reduction tools, as they have not been proven to produce fewer deleterious effects than smoking, even though they may reduce exposure to harmful substances 26

Initial symptoms of nicotine dependence in adolescents

Her former student, who confessed to vaping at school, would guess at least half of her eighth-grade classmates vape or use some other type of product