※ 다음 글의 제목으로 가장 적절한 것을 고르시오. [문 13∼문 14] The heavy eye make-up favored by ancient Egyptians may have been good for the eyes. Lead is usually a risk to health. But the study by French scientists published in the journal AnalyticalChemistrysuggests that the lead salt in the cosmetics helps prevent and treat eye illness. At very low levels, salts promote the action of cells in the immune system to fight off bacteria that can cause eye infections. The scientists from the Louvre Museum and the CNRS research institute also found that the lead salts found in the make-up could actually have a positive effect to protect people against eye disease.