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  1. xmlmplus_topics_2024-05-03.xml 
    https://medlineplus.gov/xml/mplus_topics_2024-05-03.xml
    ... make you irritable and affect your ability to concentrate and remember.</p> <p>Lead is especially dangerous ... through your body</li> <li>Where the radiation concentrates in the body and how long it stays ...
  2. Sleep Disorders (PDQ®) - PDQ Cancer Information Summaries - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK66032
    ... sleep disturbances may experience irritability and inability to concentrate, which may in turn affect the patient's ...