Experts say the vast sum spent by Sylvia Lucas on unhealthy food is indicative of a big fat problem.
Its proponents say sugar isn't responsible for rising levels of obesity, but scientific studies show it plays a key part in over-eating.
At the Sugar Association of South Africa conference in Franschhoek, experts have argued whether sugar addiction is similar to that of cocaine.
Diets come and go like fashion - new research shows that to cut the weight you should cut the sugar.
Health Minister Aaron Motsoaledi says a recent survey is proof that SA should be concerned with the prevalence of chronic conditions in the country.
Americans may be rich, but they're fat, sick and dying young, according to an official report, writes Sarah Boseley.
The drive to prevent childhood obesity in the United Kingdom has not made progress.
Our inadvertent addiction to sugar has made us 19kg heavier than in the 1960s, writes Jacques Peretti
Wayne Burns has shed half his body weight. But is he happy, asks Amelia Gentleman