This is the second article in a series of articles by BBC Sport’s science and health team about what it takes to be a health journalist.
The first article in this series looked at the role of a health editor and how journalists are now able to engage with readers via social media.
This article is part of a series, The Science and Health of the News Media, covering topics such as science and technology, health and wellbeing, science journalism and science policy.
For more information about the series, visit the BBC Sport website.
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