PhysOrg Posted August 13, 2012 Share Posted August 13, 2012 Many studies have found that high levels of hormones that are associated with stress are a sign of poor fitness and reduced chance of survival but recent research on young songbirds found that some elevated hormones can be a good thing, often the difference between life and death. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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