Raising possibilities

摘要

The first step to defeating an enemy is to pin down his exact identity and how he operates. Hypertension—chronic, abnormally raised blood pressure—causes heart attacks, strokes and a multitude of other nasty conditions. Around a third of Americans and Britons suffer from it. It is thus a worthy enemy and nailing its cause is a priority. Until now, this has mostly seemed to lie in the kidneys. But Hidefumi Waki and Julian Paton of Bristol University think they have gathered some valuable new intelligence—by studying the brain.