I’ve heard all the arguments against a sugar tax. I’m still calling for one in Australia

Big Soda pushes the idea that obesity is just a matter of personal responsibility. It’s not true and that’s why we must follow the UK, Mexico, France and Hungary

When’sa your Dolmio day? ‘Occasionally’, new labels to say

Mars Food’s pasta products, high in sugar and fat, to carry label advising shoppers that food is not for everyday consumption

The sugar conspiracy

The Long Read: In 1972, a British scientist sounded the alarm that sugar – and not fat – was the greatest danger to our health. But his findings were ridiculed and his reputation ruined. How did the world’s top nutrition scientists get it so wrong for so long?

Does peeling the skin of fruit or veg mean losing all the goodness?

Readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific concepts

Sex Dust – ‘an etheric potion from the cosmos to save the human race’

Sold out on Gwyneth Paltrow’s Goop, the $60 powder claims to have ‘primordial’ aphrodisiac powders. But will it really make your smoothies fruitier?

Early introduction of peanuts and eggs cuts allergy risk, study finds

Babies introduced to potentially allergenic foods from three months had lower chance of developing allergy later in life

Soup, cheese and cereal among worst offenders on salt – study

Campaign group says progress made before 2010 has been sacrificed since introduction of voluntary ‘responsibility deal’

Lack of sleep alters brain chemicals to bring on cannabis-style ‘munchies’

Sleep deprivation may cause overeating by boosting chemicals for appetite as well as those that increase the pleasure of eating sweet or salty high-fat foods

How can business tackle double burden of obesity and undernutrition? – live chat

Join experts in the comments section of this page on Wednesday, 24 February, 1-2pm GMT to discuss the role of food companies in improving public health

Organic meat and milk could offer health benefits, study suggests

Organic produce higher in some vitamins and minerals including omega-3 fatty acids, but experts say it isn’t more nutrient-packed in every regard

OurChemist

Our Chemist – Health