Thursday December 12, 2019

Eat Less Saturated, Trans Fats to Curb Heart Disease: WHO

An active adult needs about 2,500 calories per day, Branca said

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The World Health Organization said Friday that adults and children should limit their intake of saturated fat — found in foods such a meat — and trans fat — found in foods such as french fries.
representational image. VOA

Adults and children should consume a maximum of 10 percent of their daily calories in the form of saturated fat such as meat and butter and one percent from trans fats to reduce the risk of heart disease, the World Health Organization said Friday.

The draft recommendations, the first since 2002, are aimed at reducing non-communicable diseases, led by cardiovascular diseases, blamed for 72 percent of the 54.7 million estimated deaths worldwide every year, many before the age of 70.

“Dietary saturated fatty acids and trans-fatty acids are of particular concern because high levels of intake are correlated with increased risk of cardiovascular diseases,” Dr. Francesco Branca, Director of WHO’s Department of Nutrition for Health and Development, told reporters.

The dietary recommendations are based on scientific evidence developed in the last 15 years, he added.

The United Nations agency has invited public comments until June 1 on the recommendations, which it expects to finalize by year-end.

Junk food.
Junk food. Pixabay

Saturated fat is found in foods from animal sources such as butter, cow’s milk, meat, salmon and egg yolks, and in some plant-derived products such as chocolate, cocoa butter, coconut, palm and palm kernel oils.

An active adult needs about 2,500 calories per day, Branca said.

“So we are talking about 250 calories coming from saturated fat and that is approximately a bit less than 30 grams of saturated fat,” he said.

That amount of fat could be found in 50 grams (1.76 oz) of butter, 130-150 grams of cheese with 30 percent fat, a liter of full fat milk, or 50 grams of palm oil, he said.

Trans fats

Trans fats occur naturally in meat and dairy products. But the predominant source is industrially-produced and contained in baked and fried foods such as fries and doughnuts, snacks, and partially hydrogenated cooking oils and fats often used by restaurants and street vendors.

In explicit new advice, WHO said that excessive amounts of saturated fat and trans fat should be replaced by polyunsaturated fats, such as fish, canola and olive oils.

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“Reduced intake of saturated fatty acids have been associated with a significant reduction in risk of coronary heart disease when replaced with polyunsaturated fatty acids or carbohydrates from whole grains,” it said.

Total fat consumption should not exceed 30 percent of total energy intake to avoid unhealthy weight gain, it added.

The recommendations complement other WHO guidelines including limiting intake of free sugars and sodium. (VOA)

Next Story

Reduction in Air Pollution May Increase Life-Expectancy: Study

Findings of a Research indicate almost immediate and substantial effects on health outcomes followed reduced exposure to air pollution

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Pollution
Fortunately, reducing air Pollution can result in prompt and substantial health gains. Pixabay

Reductions in Air Pollution yielded fast and dramatic impacts on health-outcomes, as well as decreases in all-cause morbidity, a new study suggests.

The study, published in the journal Annals of the American Thoracic Society, reviewed interventions that have reduced air pollution at its source. It looked for outcomes and time to achieve those outcomes in several settings, finding that the improvements in health were striking.

Starting at week one of a ban on smoking in Ireland, for example, there was a 13 per cent drop in all-cause mortality, a 26 per cent reduction in ischemic heart disease, a 32 per cent reduction in stroke, and a 38 per cent reduction in chronic obstructive pulmonary disease (COPD). Interestingly, the greatest benefits in that case occurred among non-smokers.

“We knew there were benefits from pollution control, but the magnitude and relatively short time duration to accomplish them were impressive,” said lead author Dean Schraufnagel from the American Thoracic Society in the US.

“Our findings indicate almost immediate and substantial effects on health outcomes followed reduced exposure to air pollution. It’s critical that governments adopt and enforce WHO guidelines for air pollution immediately,” Schraufnagel added.

Pollution
Reductions in Air Pollution yielded fast and dramatic impacts on health-outcomes, as well as decreases in all-cause morbidity, a new study suggests. Pixabay

According to the researchers, In the US a 13-month closure of a steel mill in Utah resulted in reducing hospitalisations for pneumonia, pleurisy, bronchitis and asthma by half.

School absenteeism decreased by 40 per cent, and daily mortality fell by 16 per cent for every 100 µg/m3 PM10 (a pollutant) decrease.

Women who were pregnant during the mill closing were less likely to have premature births.

A 17-day ‘transportation strategy,’ in Atlanta, Georgia during the 1996 Olympic Games involved closing parts of the city to help athletes make it to their events on time, but also greatly decreased air pollution.

In the following four weeks, children’s visits for asthma to clinics dropped by more than 40 per cent and trips to emergency departments by 11 per cent. Hospitalizations for asthma decreased by 19 per cent.

WHO
Findings of the Study indicate almost immediate and substantial effects on health outcomes followed reduced exposure to air pollution. It’s critical that governments adopt and enforce WHO guidelines for air pollution immediately. Wikimedia Commons

Similarly, when China imposed factory and travel restrictions for the Beijing Olympics, lung function improved within two months, with fewer asthma-related physician visits and less cardiovascular mortality.

“Fortunately, reducing air pollution can result in prompt and substantial health gains. Sweeping policies affecting a whole country can reduce all-cause mortality within weeks,” Schraufnagel said.

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Local programmes, such as reducing traffic, have also promptly improved many health measures, said the study. (IANS)