Researchers from the University of Maastricht, the Netherlands, noticed in 2005 that a patient told to drink more for a bladder problem saw his migraines get better.
Sasa Wanayansi katika chuo kikuu cha Exeter, nchini Uingereza, wanasema kuwa wamegundua harufu mbaya kama vile ya kujamba japo inachukiza kwa pua, ina manufaa makubwa kwa afya ya binadamu.