Medical research

Common chemical linked to rare birth defect in mice

A chemical commonly used in consumer and agricultural products to boost the effectiveness of insecticides has been linked to a rare birth defect in mice. The chemical, piperonyl butoxide or PBO for short, is widely used as ...

Diseases, Conditions, Syndromes

What to know about the tropical Zika virus in Latin America

A rare tropical disease has become epidemic in Latin America and the Caribbean. The mosquito-borne Zika virus usually causes a mild illness but is now suspected in an unusual birth defect and other health issues. Some things ...

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