Dr Charlie Tonson, chairman of the Royal College of Physicians renal medicine committee, said chronic kidney disease was an important public health problem.

BBC: Kidney care 'needs to improve'

Bangkok has an entrenched sex tourism trade, but along with the red-light districts, there is also a percolating art and fashion scene, with galleries such as 100 Tonson Gallery showcasing rising stars, hip markets such as Made By Legacy selling mid-century Americana and boutiques such as Liberty Area One selling designer fashions.

BBC: Living in: Bangkok