Study reignites saturated fat controversy

Swapping saturated fat for healthier sources of energy does indeed cut the risk of heart disease, a large study suggests.

It shows that replacing just 1% of daily calorie intake from saturated fat with other sources of energy - such as whole grain carbohydrates or polyunsaturated fats - cuts the risk of heart disease by six to eight per cent.

The study, published in The BMJ, is the latest to throw its weight behind official NHS recommendations which say saturated fat should be limited in order to protect against heart disease.

Other studies have questioned this health message, with some claiming there is no evidence that saturated fat causes a problem.

The new research, from experts at the Harvard school of public health and Harvard medical school in Boston, found that a higher intake of major saturated fatty acids, such as those found in hard cheese, whole milk, butter, beef, and chocolate, was