Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
The influence of mental, social and physical activity on fluid, crystallized and memory tasks was examined in 60 young and 56 elderly subjects using multiple regression. Once the influence of education, age, health and psychiatric morbidity was removed, physical activity was associated with higher fluid test performance in old but not in young subjects. Moreover, mental activity was associated with higher performance on fluid and crystallized tasks for subjects with low education but not for subjects with high education.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1093/ageing/22.3.175 | DOI Listing |
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