New study finds that beetroot juice lowered blood pressure in older adults by reshaping oral bacteria, but why didn't it work as well in younger people, and could daily mouthwash be getting in the way? A simple addition of beetroot juice to a daily routine may shed light on one of the more surprising links in healthy aging: the connection between oral bacteria and blood pressure. A study conducted at the University of Exeter in the United Kingdom f... [8044 chars]