21 Oct 2021 --- In analyzing sodium levels of processed meat and fish in five major countries, a new BMJ Open study has revealed the highest concentrations can be found in China and the US. The World Health Organization (WHO) set a 30% global reduction in salt intake by 2025. The BMJ study set out to gauge progress against this target and focused on the salt content of processed meat and fish products in three developed and two developing countries – the UK, US, Australia, China and South Africa.