wheat

Argentina does the opposite, imposing a tax on its most important exports, including soybeans, wheat, beef and corn.

A column of wheat stood up in the field.

On the other hand, crops such as sunflower, durum wheat, soybean, chickpeas, lemon and okra could become more viable, particularly in southwestern England or near the Scottish coast.

"Our findings show that symptoms are more often triggered by fermentable carbohydrates, commonly known as FODMAPs, by other wheat components or by people's expectations and prior experiences with food."

Visitors to Puglia, a major producer of durum wheat, can try handmade pastas in a variety of shapes, paired with broccoli rabe, sea urchin and even a horse ragù.