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The Cambridge Diet

The Cambridge Diet

Concept or Theory Behind this Diet:

Meal replacement

The Cambridge Diet of the 1970s: A Dangerous Approach to Weight Loss

The Cambridge Diet, developed in the 1970s by Dr. Alan Howard at Cambridge University, was a controversial and potentially dangerous approach to weight loss. The diet involved consuming a very low-calorie liquid formula, which was intended to replace regular meals and induce rapid weight loss. The original Cambridge Diet provided only 330 calories per day, significantly lower than the minimum daily calorie intake recommended for a healthy adult.


The liquid formula was designed to provide essential nutrients and proteins, but it soon became apparent that it was lacking in several important amino acids. Amino acids are the building blocks of proteins and play a crucial role in many biological processes, including muscle growth and repair, hormone production, and immune system function. The Cambridge Diet's lack of essential amino acids led to a condition called protein-energy malnutrition, which can cause severe health complications and even death.


In the late 1970s and early 1980s, several cases of sudden death were reported among individuals following the Cambridge Diet. These deaths were attributed to the diet's severe calorie restriction and amino acid deficiency, which led to heart failure, electrolyte imbalances, and other serious health issues. Additionally, the rapid weight loss associated with the diet increased the risk of gallstones and other complications.


The dangerous consequences of the Cambridge Diet eventually led to its reformulation in the mid-1980s, with the introduction of a higher calorie version containing a more balanced amino acid profile. The revised diet, now known as the "Cambridge Weight Plan," offers a range of calorie-controlled meal replacement products and a structured weight loss program.


The Cambridge Diet of the 1970s serves as a cautionary tale of the dangers of extreme calorie restriction and unbalanced nutrition. It highlights the importance of ensuring adequate intake of essential nutrients, particularly amino acids, when embarking on a weight loss program. Today, there is a greater understanding of the risks associated with severe calorie restriction and unbalanced diets, leading to a shift towards more balanced and sustainable weight loss approaches.

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