A persistent cough is usually linked to minor problems such as allergies, a common cold, or throat irritation. However, if a cough refuses to subside for weeks and gradually worsens, it could be an ...

A cough is one of the most common symptoms that sends people to the doctor. As many as 30 million medical visits are related to coughing. Most coughs are caused by upper respiratory infections like a ...

TORONTO — A trained dog can distinguish between malignant and benign pulmonary nodules in exhaled breath samples from patients with and those without pulmonary nodules virtually 100% of the time, new ...

LONDON (Reuters) - German scientists experimenting with sniffer dogs have found they can accurately detect lung cancer by smelling breath samples. In a study carried out by researchers from ...