Updated: Tue, 13 May 2014 09:30:00 GMT | By Tanya Fortune
Top 10 summer health foods

Red onions

Red onions (© Lynne Daley/Getty Images)
  • Red onions (© Lynne Daley/Getty Images)
  • Yoghurt (© Getty Images)
  • Purple sprouting broccoli (© REX/Martin Lee)
  • Watercress (© GARO/phanie/Phanie Sarl/Corbis)
  • Marinades (© REX/Woman's Weekly)
  • Assorted berries (© boule13/Getty Images)
  • Asparagus (© Henrik Sorensen/Getty Images)
  • Mint (© Getty Images)
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Red onions make a fantastic addition to summer salads, and not just because they taste delicious. If you suffer from hay fever or heat rash then red onions should be an integral ingredient of your summer diet. They contain high levels of quercetin, a natural antihistamine which can calm any adverse reactions.

Click or swipe through for more of the best foods to eat this summer.