-dense, packed with vitamins and minerals (including vitamin C, which is missing from rice and pasta) almost entirely fat- and cholesterol-free. Served in their skins, potatoes are also a great source of fibre.If you're craving chips, go for a healthier

. They're a particularly good source of fibre, low in saturated fat and cholesterol. Squashes are also a good source of calcium – good news for runners, who endure a high level of impact through hard-working knee and hip joints.Cook: Squashes are tough

prevent maladies ranging from high blood pressure and cholesterol to diabetes, impotence and even cancer. Avoid time away from your trainers by including garlic in your diet - research also suggests that people who eat plenty of garlic brush off coughs