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While the role of <jats:italic>H.\u00a0pylori<\/jats:italic> on idiopathic thrombocytopenic purpura, sideropenic anemia, and vitamin B12 deficiency has been well established, there is a growing interest in other conditions, such as cardiovascular, neurologic, dermatologic, obstetric, immunologic, and metabolic diseases. Concerning neurologic diseases, there is a great interest in cognitive impairment and neurodegeneration. The aim of this review was to summarize the results of the most relevant studies published over the last year on this fascinating topic.<\/jats:p>","DOI":"10.1111\/hel.12520","type":"journal-article","created":{"date-parts":[[2018,9,11]],"date-time":"2018-09-11T05:25:17Z","timestamp":1536643517000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["<i>Helicobacter pylori<\/i> and extragastric diseases"],"prefix":"10.1111","volume":"23","author":[{"given":"Danute","family":"Ra\u017euka\u2010Ebela","sequence":"first","affiliation":[{"name":"Faculty of Medicine University of Latvia  Riga Latvia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bianca","family":"Giupponi","sequence":"additional","affiliation":[{"name":"Internal Medicine Institute Fondaeione Policlinico Unversitario Agostino Gemelli IRCCS Universit\u00e0 Cattolica del Sacro Cuore  Rome 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