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Unfortunately, once lung cancer causes symptoms such as persistent cough, coughing up blood, and weight loss it has already reached an advanced stage

Cancer is a very serious disease

Participants were chosen to reflect diversity in academic performance, social engagement, and exposure to smoking, based on teacher input to reduce bias as recommended while researching adolescent smoking ( Data collection A pragmatic approach employing multiple qualitative methods was used to gain rich, triangulated insights ( Ethical approval and research clearance were obtained from relevant committees in Egypt and the United Kingdom, and informed consent procedures were followed in accordance with international ethical guidelines

It is one of the most aggressive cancers, Yang said, meaning it can spread rapidly if not caught early