"We've gone from a world 20 years ago where people weren't getting enough to eat to a world now where too much food and unhealthy food - even in developing countries - is making us sick," said Majid Ezzati of Imperial College London, one of the lead researchers.
Majid Ezzati, un'wana wa valavisisi lava dumeke u ri: "Eka malembe ya 20 lama hundzeke, vanhu a va nga kumi swakudya leswi ringaneke kambe sweswi ku ni swakudya swo tala leswi nga riki na rihanyo - hambi ku ri ematikweni lama ha hluvukaka - leswi hi vangelaka vuvabyi."