Natto allergy is caused by jellyfish stings, says surprising Japanese study

Surfers could be at greater risk of developing an allergy to natto, a Japanese study has found. And the unlikely culprit is thought to be jellyfish stings.

Natto, the sticky fermented soy beans that are as as polarising as Marmite, is a traditional and common Japanese food. Allergy to natto is rare, but research from Yokohama City University Hospital suggests it could be more prevalent in people who spend a lot of time in the water and have been repeatedly stung by jellyfish.

Read More