High levels of eosinophils ... major causes of eosinophilia can be broadly characterized as: Cancers that cause eosinophilia may either be primary (involving the bone or bone marrow) or secondary ...

Eosinophilic asthma (also known as e-asthma or eos asthma) is a severe form of asthma that causes high levels of eosinophils in the lung tissue, blood, and mucus. Eosinophils are a type of immune ...