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Wholegrain oats reduce risk of CHD

Wholegrain oats reduce risk of CHD

Proven to lower cholesterol

Trials indicate that including wholegrain oats in your diet may lower total and low-density lipoprotein cholesterol.

Coronary heart disease (CHD) is a major cause of death and ill health. One of the risk factorsfor CHD is elevated blood levels of total cholesterol and of low-density lipoprotein cholesterol. Existing observational studiesindicate that wholegrain cereals may reduce the risk of CHD, possiblyby reducing cholesterol levels.

A Cochrane Systematic Review identified 10 trials that assessed the effect of giving wholegrain foods to adults. The trials involved a total of 914 adults who had at least one major risk factor for CHD. All were short-term studies and involved small numbers of people; most were wholly or partly funded by companies that had interest in cereal products.

The review concluded that there is enough evidence from wholegrain oatsto suggest that healthcare professionals could recommend oats as partof cholesterol reduction programmes.

However, more research is still needed: "Well-designed, adequately powered studies are now needed to evaluate the effects of long-term consumption of oats," says Dr Sarah Kelly of the School of Health and Social Care at the University of Teesside, Middlesbrough.

The researchers also point to an inconsistency in the use of the term "wholegrain". "Some reviews of wholegrain products include studies conducted with dietary fibre or oatbran and have referred to these refined products as wholegrain. There is a need for greater clarity and consistency between the terms wholegrain, bran, germ and fibre in published research."

Kelly SAM, Summerbell CD, Brynes A, Whittaker V, Frost G. Wholegrain cereals for coronary heart disease. Cochrane Database of Systematic Reviews 2007, Issue 2. Art. No.: CD005051. DOI: 10.1002/14651858.CD005051.pub2.

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