All medicines are drugs—chemicals that change the way the body works. Some drugs help people, but when not taken properly they can be harmful. Illegal drugs are always harmful because they can hurt and kill people. Discover all types of drugs, good and bad, in this simple guide.
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格式 PDF ● 网页 32 ● ISBN 9780822563396 ● 出版者 Lerner Publishing Group ● 发布时间 2005 ● 下载 3 时 ● 货币 EUR ● ID 5845982 ● 复制保护 Adobe DRM
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