Association is not the same as causation.
Richardson
M
M
D015984:Causality; D016481:Helicobacter Infections / Q000209:etiology* / Q000523:psychology; D016480:Helicobacter pylori; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009035:Mothers / Q000523:psychology; D012959:Socioeconomic Factors; D013398:Sudden Infant Death / Q000209:etiology*