The term 'junk food' has been around since the 1970s, and now specialists caution against ultra-processed foods (UPFs)
Why the big deal? These ingredients are made for cheap cost and convenience
and used in sophisticated formulations to generate 'hyperpalatable' snacks and meals.
How to avoid them? UPFs are hard to eliminate without a major lifestyle change.
Industrial foods are designed for busy lives and low budgets, so it's no surprise we're so dependent on them.
We can shop mindfully. Lucy explains, "My rule of thumb is look at the label."
"If you don't recognize an ingredient as one you'd put in your kitchen cupboard, do you really want to be eating it?"