Here are some articles about vegetables that are said to be healthier than lettuce:
- 5 Foods With More Nutrients Than Lettuce Verywell Health
- World’s healthiest vegetable named by scientists — costs £1 in supermarket Gloucestershire Live
- World’s healthiest vegetable named by scientists — not spinach or kale Wales Online
- Not spinach or kale — world’s healthiest vegetable named by scientists Daily Express
