Industrial trans fats must be removed from food supply, WHO says

UN health agency says trans fats in snack foods, baked foods and fried foods are responsible for 500,000 deaths each year

Contribute to a Guardian podcast that asks ‘Should we all be vegan?’

In our next We Need to Talk About podcast, we’ll consider the key questions in adopting a plant-based lifestyle. What are your views?

Calling dietary guidelines ‘wrong’ ignores the science

If we really want to fix our obesity problems, we have to make it easier for everyone to eat right

It’s right to tax sugar – but there are many reasons we yearn for something sweet

Even if we are one day able to limit the damage caused by sugar, we all know its power will endure

Charcoal croissants: why is the black pastry a global hate object?

A restaurant in east London is selling a ‘charcoal-activated vegan croissant’ it claims will help detoxify your body. But the jury’s out on the benefits of eating blackened lumps of carbohydrates

Want to save the world from hunger? Start by not wasting food, shoppers told

World Food Programme teams up with creative agency to encourage public to create meals from food that would otherwise go to waste

What is Britain eating? The ultra-processed truth about 10 of our bestselling foods

From Cherry Bakewells to Fray Bentos pies, do we really understand the cocktail of ingredients in our favourite brands? Nutritionists assess them – and just what they might mean for our health

Russell Norman: ‘It’s 20 years since I was a chef. I still wake up in a cold sweat’

The restaurant founder, 52, on cooking baked potatoes, anxiety dreams and starting the day with six coffees

Time to stockpile Irn-Bru? How the sugar tax will change our favourite drinks

A tax on sugary soft drinks comes into effect on Friday. The industry has found ingenious ways to get the levels down – from ‘restructured sugar’ to artificial sweeteners. But will it make their products any healthier?

Tom Kitchin: ‘I am the master of the power nap’

The chef, 41, talks about sleeping on park benches during a shift and finally juggling family life and work