Certain foods can exacerbate asthma symptoms in individuals with asthma, so avoiding foods that may trigger symptoms is very important.

Normally, the pleural cavity always contains about 20 ml of clear or pale yellow physiological fluid. When there is an excessive amount of fluid, it is called a pleural effusion. Of the causes of this condition, red or bloody pleural fluid is often associated with trauma. Less common causes of red pleural effusion are tuberculosis, aortic dissection, ruptured aortic aneurysm, and malignancy.