They are everywhere – and they may be messing with your body more than you realise. They’re linked to obesity, gut issues, even chronic disease. But how exactly are UPFs making us sick?

Neelam Tailor speaks to the food philosopher and former industry insider Prof Barry Smith, who breaks down what UPFs do inside your body, how food companies keep us hooked, and how you can reduce how much UPF you eat

Salmon is often marketed as the sustainable, healthy and eco-friendly protein choice. But what you may not realise is that most of the salmon you buy is farmed, especially if you live in the UK, because Scottish salmon producers are no longer required to tell you.

Josh Toussaint-Strauss finds out why it is important for consumers to know where their salmon comes from, and examines the gap between the marketing of farmed salmon and the reality for our health, the environmental and animal welfare

• Scottish government must do more to control salmon farming, inquiry finds

• Scottish salmon producers allowed to remove ‘farmed’ from front of packaging

• Norway rules out fish farm ban despite ‘existential threat’ to wild salmon

As droughts become more prevalent, corporate control over our drinking water is threatening the health of water sources and the access people have to them. Josh Toussaint-Strauss explores how foreign multinational companies are extracting billions of litres of water from natural aquifers to sell back to the same communities from which it came – for huge profits

• ‘It’s not drought - it’s looting’: the Spanish villages where people are forced to buy back their own drinking water

• Foreign firms taking billions of litres from UK aquifers to make bottled water