article_snippet.sent: Study author Dr Ricardo Osorio, of New York University, said:
article_snippet.sent: The research team studied the medical histories of 2,470 people, aged 55 to 90.
article_snippet.sent: Dr Osorio said: ‘These findings were made in an observational study and as such, do not indicate a cause-and-effect relationship.
article_snippet.sent: British charities last night welcomed These findings.
article_snippet.sent: Despite the small sample size in an observational study, the researchers did try to account for other factors that may have explained the link and the findings highlight the need to delve deeper into the possible biological reasons behind this association.