Key points from article :
Study looks at poor quality diets damaging hearts and causing cancer.
Global Burden of Disease Study assesses how people are dying around the world.
Diets causing the most deaths are:
1. Too much salt
2. Too few whole grains
3. Too little fruit
Also low levels of nuts, seeds, vegetables and omega-3.
Vast majority of diet-related deaths were because of cardiovascular disease.
Cancers and type 2 diabetes made up the rest of the diet-related deaths.
Five fruit and veg a day could take up 52% of household income in poorer countries.
The study was published in The Lancet.
