For years, nutritionists and doctors have preached that a low-fat diet is the key to losing weight, managing cholesterol, and preventing health problems. But more than just the amount of fat, it’s the types of fat you eat that really matter. Bad fats increase cholesterol and your risk of certain diseases, while good fats protect your heart and support overall health. In fact, good fats—such as omega-3 fats—are essential to physical and emotional health.
With the present state of research we will never find out what we should and should not eat but, says Colin Tudge, it is hard to improve on ancient wisdom and common sense.
I have been following the unfolding theories of nutrition for the past 40 years and in that time the advice from on high and indeed from all sides has swung spectacularly: from protein is all to protein takes care of itself; from fat will kill us to fat doesnt matter; from fibre is just for cranks to fibre is the elixir of life; and so on.
Who should we believe, and on what grounds?
In any one decade (whether its the 60s or the 80s or the present day) the people offering nutritional advice fall into one or other of four categories. Some (1) are excellent scientists who really are trying to find out what is true. …