6 It has been shown that a high salt
intake, a low consumption of fruit and vegetables (i.e. low potassium
intake), obesity, excess alcohol intake, and lack of physical
exercise all contribute to the development of high BP. However,
the diversity and strength of the evidence is much greater for
salt than for other factors. The evidence for salt comes from
studies in animals, human genetics, epidemiology, migration,
population-based intervention, and treatment trials