Grandma said…

Eat your spinach and you’ll be strong like Popeye!

Grandma · the 1960s
Partly justified

The verdict

Spinach does contain iron, but the body absorbs it poorly. And the story that its iron content was a misplaced decimal point is itself a myth. It is still good for you.

On the wall

More warnings

All warnings →

Don’t keep your mobile in your pocket, the radiation will give you a brain tumour!

The neighbour · the 2000s
Blown over

Verdict: A large review commissioned by the WHO in 2024 found no link between mobile phones and brain tumours, even though almost everyone has had a mobile for decades.

Don’t swim straight after eating, you’ll get cramp and drown!

Mum · the 1980s
Blown over

Verdict: No research has shown that people drown from swimming on a full stomach. A gentle swim after lunch is perfectly fine.

Don’t swallow the apple pips, a tree will grow in your tummy!

Grandma · the 1970s
Blown over

Verdict: The stomach is far too dark and acidic for anything to sprout. The pips come out again, usually quite unbothered.

Don’t drink coffee, it’ll stunt your growth!

Grandpa · the 1960s
Blown over

Verdict: There is no evidence that coffee stunts growth. Children still shouldn’t have much caffeine – but for other reasons.