If you're already eating tabbouleh on a regular basis, you get a gold star. If not, it's time to start. Bulgur wheat, cracked wholegrain wheat berries commonly eaten in the Middle East and Mediterranean, has the highest fibre content of any wholegrain. "Robust research shows that if you have more fibre, it's a really good way to reduce the LDL cholesterol – the bad kind – in your blood," says Lucy. "Straight away that impacts heart health, because your arteries and cardiovascular system are healthier." Balancing cholesterol, a waxy fat in our blood, is a key benefit of fibre, and most of us don't get enough of it in our diets.