article links to a yahoo version of 2019 CNN which links to a 2016 study with a URL resulting in a redirect to the new standalone website for the journal now-declared-independence instead of a DOI I had to rescue from the archives which now links to the ScienceDirect hosting of the article instead: https://doi.org/10.3945/ajcn.115.114769 (Thankfully open (archive) access)

In summary, the present study describes a novel tool to enable the objective assessment of the effectiveness of beverages to maintain hydration status. The BHI is reproducible and the pattern of response for a range of commonly consumed beverages is consistent with what is known about the effects of their constituents on water balance.