The truth about ‘miracle foods’ – from chia seeds to coconut oil

Cancer, diabetes, heart disease, dandruff… can these things really be cured, or at least prevented, by what we eat?

Europe’s olive trees threatened by spread of deadly bacteria

Bacteria that is destroying ancient olive groves in the Apulia region of southern Italy is very likely to spread to other areas of Europe, says report

Is a ban on GM crops more harmful than growing them?

UK’s chief scientist has said GM crops could provide plentiful food with less damage to the environment and at lower costs. But does that mean we should grow them? Karl Mathiesen investigates.

Let us know your thoughts. Post in the comments below, email karl.mathiesen.freelance@theguardian.com or tweet @karlmathiesen