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Whole fat milk, yoghurt cause fewer heart diseases

14 September 2018

Milk, according to new research, indeed does a body good.

The high intake group (mean intake of 3.2 servings per day) had lower rates of total mortality (3.4% vs 5.6%), non-cardiovascular mortality (2.5% vs 4%), cardiovascular mortality (0.9% vs 1.6%), major cardiovascular disease (3.5% vs 4.9%), and stroke (1.2% vs 2.9%), when compared to no intake group.

The worldwide collaboration of researchers asked over 135,000 people in 21 countries to complete a food diary at the beginning of the study, and followed their health for an average of 9.1 years.

People whose only dairy intake was whole-fat products still had significantly lower risk with higher intake of both the composite endpoint (HR 0.71 for more than two versus less than half a serving a day, 95% CI 0.60-0.83) and total mortality and major cardiovascular disease separately (HRs 0.75 and 0.68).

A large global study has found that people who consume full-fat dairy have lower rates of cardiovascular disease and mortality than those who do not.

"It is probably wise and beneficial to be sure you're including dairy in that overall heart-healthy dietary pattern, but we would continue to recommend that you make lower fat selections in the dairy products", Carson told MedPage Today regarding the study, with which she was not involved. Yet, they note "it is not the ultimate seal of approval for recommending whole-fat dairy over its low-fat or skimmed counterparts".

Higher intake of milk and yoghurt (above 1 serving per day) was associated with lower rates of the composite outcome, which combines total mortality and cardiovascular disease (milk: 6.2% vs 8.7%; yoghurt: 6.5% vs 8.4%), compared to no consumption. What's more full-fat options may improve health outcomes.

It found no significant link between dairy fats and cause of death or, more specifically, heart disease and stroke - two of the biggest killers often associated with a diet high in saturated fat.

The PURE study has been controversial for a wide range of findings contravening conventional dietary advice, from salt to vegetable intake. Most of the dairy considered in the study was consumed in the form of milk and yogurt - not enough cheeses and butters were consumed to affect health outcomes. "We are suggesting the net effect of dairy intake on health outcome is more important than looking exclusively at one single nutrient".

"What I really want to emphasise is that consumption shouldn't be discouraged but encouraged especially in low-income countries and even in high-income countries where consumption is low", Dr Meghan said. But they also point out that evidence suggests some saturated fats may be beneficial to cardiovascular health.

Earlier this year the Government's Scientific Advisory Committee on Nutrition (SACN) published a consultation on saturated fat, which is part of a process of regularly assessing available evidence to see if guidelines should change.

'Dairy can be an essential component of a healthy and balanced diet as they care a good sources of calcium, protein, and vitamins A and D'.

"Dairy products don't need to be excluded from the diet to prevent heart and circulatory diseases and are already part of the eatwell guide, which is the basis for our healthy eating recommendations in the UK". The dairy intake was self-reported by the individuals through a questionnaire.

For years, specialists like advised low-corpulent dairy merchandise over the fleshy-corpulent versions, that are larger in energy and have confidence extra saturated corpulent. "Three servings is moderate consumption, and moderate consumption is beneficial". "Similarly, people shouldn't take the results too excess and eat as much dairy as they like".

"Ideally, the PURE study group should consider another analysis in 5 to 10 years to confirm the findings of this initial analysis or, at the very least, should do an age-stratified analysis rather than an adjustment for age alone", write Louie and Rangan.

Whole fat milk, yoghurt cause fewer heart diseases