A new twist on the dairy consumption debate.

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Over the years we have seen many reversals of previously "accepted" findings regarding the foods we eat, but this one took me back a little...……..

 

Higher dairy intake tied to lower rates of mortality, CV events

 

Higher consumption of dairy products, such as milk, yoghurt, and cheese, was associated with lower rates of mortality and major cardiovascular (CV) events, according to the PURE* study.

“Our findings support that consumption of dairy products might be beneficial for mortality and CV disease, especially in low- and middle-income countries where dairy consumption is much lower than North America and Europe,” said the researchers.

This multinational cohort study evaluated 136,384 individuals (aged 35–70 years) from 21 countries. Dietary intake of dairy products was assessed by using a country-specific validated food frequency questionnaire. The primary outcome was a composite of mortality and major CV events (ie, myocardial infarction [MI] and stroke). [Lancet 2018;doi:10.1016/S0140-6736(18)31812-9]

Compared with individuals with no dairy intake, those with higher intake of total dairy products (>2 servings/day) had a significantly lower rate of total mortality (3.4 percent vs 5.6 percent, hazard ratio , 0.83; p_trend=0.0052) and major CV events (3.5 percent vs 4.9 percent, HR, 0.78; p_trend=0.0001).

A significantly lower incidence of stroke was evident among subjects who had a higher intake of total dairy products than those with no intake (1.2 percent vs 2.9 percent, HR, 0.66; p_trend=0.0003), while a higher intake of any dairy products did not affect the incidence of MI.

A higher intake of milk (>1 serving/day) was associated with a lower rate of major CV events compared with no intake (3.3 percent vs 4.8 percent, HR, 0.82; p_trend=0.0027) but not total mortality (4.2 percent vs 6.4 percent, HR, 0.89; p_trend=0.106), whereas a higher intake of yoghurt (>1 serving/day) was associated with both lower rates of total mortality (4.4 percent vs 5.7 percent, HR, 0.83; p_trend=0.0404) and major CV events (3.8 percent vs 4.9 percent, HR, 0.90; p_trend=0.0162) compared with no intake.

A higher intake of cheese (>1 serving/day) had no effect on the rates of total mortality (3.2 percent vs 5.2 percent, HR, 0.87; p_trend=0.2383) or major CV events (3.6 percent vs 5.0 percent, HR, 0.92; p_trend=0.5024) compared with no intake.

“The potential benefits of increased dairy consumption might be particularly marked in countries where strokes are relatively more common, such as China or Africa,” said the researchers, who suggested that “consumption of dairy products should not be discouraged and perhaps should be even encouraged … [as] a range of potential compounds and related mechanisms in dairy foods might improve health.”

 *PURE: Prospective Urban Rural Epidemiology

 

[Sheryl]

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