Live Q&A: Can we tackle undernutrition and obesity at the same time?

With obesity on the rise in developing countries, what needs to be done to tackle the double burden of malnutrition? Join the panel on Thursday 14 May, 1–3pm BST to discuss. Sponsored by Gain

Coalition ‘derailed programme to save lives by reducing salt in food’

Ending Food Standards Agency’s nutrition responsibility slowed progress in cutting deaths and new targets gave industry too much power, health experts say

Pseudoscience and strawberries: ‘wellness’ gurus should carry a health warning

The blogger Belle Gibson has been exposed as a fraud – but the internet is still awash with others like her, pushing unsubstantiated nutritional advice

Some shop-bought sandwiches more calorific than burgers

Lunch items from Pret a Manger, Caffè Nero, Marks & Spencer and Asda among those found to contain high levels of fat and sugar

What’s next on the menu for school dinners?

Jamie Oliver ended the reign of Turkey Twizzlers in school canteens a decade ago. Journalist Matthew Jenkin explores how mealtimes and food’s provenance are the next hot topics

How to avoid Vitamin D deficiency

Low levels of vitamin D have been linked to cancer, heart disease, diabetes, dementia and arthritis, as well as childhood illnesses. So is sunshine and oily fish enough – or should you take supplements?

My marathon research to get to the bottom of cramp

Most runners will have experienced cramp, either during or after a race. But with three marathons over three weekends to train for, Chris Wright was determined to find the cause of his pain

Should I eat more eggs?

Eggs are no longer considered a health hazard – in fact, they are incredibly good for you. So how many should you eat?

Long-term food bank users risk nutritional problems

Researchers say reliance on processed food usually provided by food banks is unlikely to result in balanced diet

Fruit and vegetable vouchers could buy poorer people a more nutritious diet

A pilot scheme in London is helping families provide healthier meals for their children while supporting local markets