My recommendation: The 3-step dietary programme Do what I did, look the results

The dietary plans that follow offer simple, nutritious and delicious recipes on a staged regime that should take you from overweight to optimum weight and enhanced well-being.

The reason many people depend on junk and convenience foods is because they lead such busy lives. Most of the recipes in these plans are quick to prepare, and should be within the capabilities of even the most reluctant cook. There are exceptions: preparing the Chicken Soup will take a couple of hours, but it makes a lot and you can freeze separate portions, ensuring that you can have a nutritious low-carb meal even when the clock is ticking away.

So blitz your cupboards and discard any foodstuffs that don't fit the bill. The journey to a healthy, lean body begins here.

The Plans

The 3-step programme includes 3 eating plans. The Fast-Track Plan will help you lose weight quickly and give you that all-important boost on a 50 per cent protein/20 per cent carbohydrate/30 per cent fat regime that will initiate benign dietary ketosis. It should last for 7-21 days, after which you are ready to move on to the next stage. Your weight loss should be around 2-5.5kg (4-121b) if you are a woman and 4-7.25kg (8-161b) if you are a man, depending on how long you remain on this plan.

During the Keep on Tracking Plan you increase your levels of low-tomedium GI carbohydrates and move into a 35 per cent protein/35 per cent carbohydrate/30 per cent fat regime. You still monitor ketosis and watch how introducing higher levels of carbohydrates affects your weight loss, which should now even out to 0.25-1 kg (¹/2-21b) per week.

The No Backtracking Plan is your eating regime for life. You can gradually introduce fruit and vegetables, grains and pulses from the higher GI ranges, in moderation. It is important to keep an eye on how your body reacts to these and to establish your perfect weight-management level.

If you are a vegetarian, there is plenty of advice on how to adapt the plans and recipes to suit your dietary requirements. Granted, your choice isn't as varied as that of a non-vegetarian, but don't use this as an excuse not to give it a go. If you follow the basic guidelines and make simple changes to the recipes where necessary, you should lose weight and eradicate insulin resistance successfully.

FOOD TO THROW OUT

• White flour and sugar
• Honey
• Biscuits
• Crisps
• Sweets
• Sugary drinks
• White rice, bread, pasta
• Processed foods high in carbohydrates
• Ready-made sauces
• Gravy mixes

Customize the plans to suit your lifestyle and dietary preferences

The suggested menu plans are not set in stone - they are templates to encourage you to eat the right sort and amount of food.

If you wish to change a recipe - because you don't like lamb and would rather have chicken, say - it really doesn't matter. Just try to use foods of a similar dietary value. When swapping vegetables and fruit, go for ones in the same GI category; try to exchange meat for meat, or fish for fish, in the same amounts. If you change a recipe from meat to fish, you may need to use slightly more fish to give you the same level of protein. For example, 125g (4oz) of poultry or lean meat should be replaced with 175g (6oz) of fish.

Simplify the recipes

If you are short of time, or like your food a bit plainer, simplify the recipe. If you don't fancy Baked Tuna with Tomato and Herbs, adapt the ingredients, ensuring that you still have sufficient protein, carbohydrates and healthy fats - have a tuna salad with tomatoes and dark green leaves.

On a budget

If money is short and you find some of the suggested ingredients a little expensive, use some budgetary ingenuity to bring down the cost. Fresh salmon can be replaced with coley or whiting, or even tinned salmon.

Use the suggested meals as inspiration. In order to manage your weight in the future, you will have to experiment and be prepared to adapt.

Globesity

THE RISKS FROM OBESITY

Being overweight can induce:

¨ Diabetes (type 2: non-insulin‑dependent)

¨ Coronary heart disease and strokes.

It increases the risks of:

¨ Cancer of the colon, prostate, uterus, cervix, breasts and ovaries

¨ Gall-bladder disease

¨ Musculoskeletal disorders and respiratory problems.

We live in a world where half the population seems to be obsessed by dieting, while the other half is suffering from starvation and malnutrition. We have no control over the natural disasters that leave millions fighting to find enough food to survive, but why is it that so many people — not just in the Western world, but also in developing countries — are becoming overweight, leading to soaring levels of diabetes, cardiovascular disease and certain cancers?

We may have made huge advances in technology, but we seem to have lost our connection to nature, and nowhere is this better illustrated than in the food we eat. Our meat is sold in sterile packaging, and contains antibiotics, growth hormones and pesticide residue. We eat (well, some of us eat) fruit and vegetables that are sprayed, waxed, dyed and sometimes irradiated to make them look attractive. The grains that form the bulk of many people's diets are stripped of their fibre and nutrient content. And the milk we drink is pasteurized.

Because there is so much choice, so little time and sometimes so little money, many people choose the convenient pre-packaged or fast-food option, rather than insisting on good-quality, naturally produced, locally available produce. They would rather sit and watch a cookery programme on television while eating a TV dinner or a take-out than get into the kitchen and cook a healthy meal for themselves.

According to the World Health Organization (WHO), in 1995 there were an estimated 200 million obese adults worldwide, and by 2000 that figure had increased to 300 million. But obesity is not just a problem restricted to adults -25 per cent of children and adolescents in the US are overweight. The problem is beginning to replace malnutrition and infectious diseases as the most significant contributor to ill health worldwide. Obesity is now recognized as a disease in its own right, but one that is largely preventable through changes in lifestyle - especially diet.

A lesson from dietary history

For years we have been fed the information that a low-fat/high-carbohydrate diet is the healthiest one for us. The ideal ratio, based on our calorie intake, is 55 per cent carbs, 15 per cent protein and 30 per cent fats. This ratio may work for some individuals, but it certainly isn't right for everyone, particularly those whose carbohydrate intake is based on the wrong sort of carbs.

One of the most thought-provoking arguments for reducing the amount and type of carbohydrates that we eat is the story of Palaeolithic people. Genetically, there is very little difference between ourselves and our hunter- gatherer ancestors, although our diet has certainly changed.

Palaeolithic people were treading the Earth thousands of years before we started to cultivate crops and rear animals for food, and according to scientists they existed on a diet that was primarily protein. Between 60 and 90 per cent of their diet consisted of game animals, eggs, birds, reptiles and insects. The rest comprised green leafy vegetables and berries. Obviously they were leading a far more active life than the average 21st-century human being, but their diet must have been in part responsible for their healthy bones, flawless teeth and good musculature.

It was only at around the time of the agricultural revolution, about 10,000 years ago, that we started to rely on starchy vegetables such as potatoes and cereal crops for the bulk of our diet, and lifestyles became more sedentary. By 4,000 years ago the effects of the change in diet were beginning to be seen in the human body:

¨ There was a reduction in people's stature

¨ Dental decay and malformation of the jaw had become widespread

¨ Disease and epidemics were starting to shorten the human lifespan.