Beans and lentils may cause problems with food sensitivity and also contain compounds that have an 'anti-nutrient' effect. They should be eaten in moderation. Yoghurt is healthier than milk and cheese, and in its plain form can be eaten freely. Soya and Quorn have properties that do not make them ideal for human consumption. Foods with added sugar

Intensity of exercise can be expressed as a percentage of the maximum heart rate a person is capable of. A decent guide to your maximum heart rate is 220 minus your age. Generally speaking, exercising at about 50–70 per cent of maximum heart rate is considered enough to help someone attain or maintain fitness, and is also a level of intensity that

But as a rough guide I recommend seeing a GL of 20 or more as high, and one of 10 or less as low. Anywhere in between can be classified as medium.

abdominal obesity is generally defined as a waist circumference of 94 cm (37 inches) or more for men.

In general, the diet should be made up of foods that are rich in protein and healthy fats, and low in carbohydrates that disrupt blood-sugar and insulin levels. Food additives, particularly MSG and artificial sweeteners, should be avoided. Foods rich in micronutrients, phytochemicals and soluble fibre should be emphasised in the diet. Meat is a hig

Nuts and seeds can be eaten freely and should preferably be eaten in their raw form.

Berries and avocado can be eaten freely. All other fresh fruits can be eaten in moderation. Dried fruit should be eaten in small quantities only.

Fresh fish and seafood are foods to be eaten freely. Tuna, marlin and swordfish are to be eaten in moderation. Canned fish, besides tuna, can be eaten freely.

Legumes should be eaten in moderation.