A glass of skimmed milk a day can reduce blood pressure by up to a third, according to new research.

The American Journal of Clinical Nutrition study found middle-aged consumers that eat lots of dairy products such as skimmed milk and low-fat yoghurts were less likely to have high blood pressure later in life.

Experts have now concluded that minerals found in milk including calcium, magnesium and potassium could play a key role in preventing high blood pressure or hypertension, according to the Daily Telegraph.

The findings follow a 10-year study that monitored 2,245 men and women aged over 55 that did not have high blood pressure at the start of the experiment.

It found the risk of developing high blood pressure was cut by almost 30% during the first two years of the study. Products with high-fat content, including cheese and butter, did not show the same benefits but were not found to be harmful either.