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Ulcerative colitis often presents with other diseases

5 years after quitting Risk of cancer of the mouth, throat, esophagus, and bladder are cut in half

We have seen a rise in youth use of e-cigarettes that is unprecedented in our history, an expert says in the trailer, over shots of teens exhaling billows of vape smoke

Nevertheless, smoking cannabis regularly and long-term may be linked with some respiratory conditions, including: chronic bronchitis, which may result in a chronic cough or smokers cough increased risk of respiratory tract infections lung airflow obstruction hyperventilation emphysema asthma chronic obstructive pulmonary disorder (COPD) pneumonia Another possible lung complication from smoking cannabis is pneumothorax (collapsed lung), which can result from holding smoke in the lungs, a practice believed to increase the psychoactive effects of cannabis