Ontology highlight
ABSTRACT:
SUBMITTER: Thrift AP
PROVIDER: S-EPMC4119501 | biostudies-literature | 2014 Aug
REPOSITORIES: biostudies-literature
Thrift Aaron P AP Xiao Liren L Patel Sanjay R SR Tworoger Shelley S SS McTiernan Anne A Duggan Catherine C
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 20140523 8
<h4>Background</h4>The inverse association between physical activity and cancer risk may be mediated by higher melatonin levels. However, few studies have examined the effect of increased physical activity on melatonin levels.<h4>Methods</h4>The parent study was a randomized controlled trial that randomized 51 men and 49 women to a 12-month moderate-to-vigorous aerobic exercise intervention ("exercisers") and 51 men and 51 women to a stretching control ("controls"). Participants were of ages 40 ...[more]