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High Intake of Sugar can Cause Heart Diseases in Healthy People

High Intake of Sugar can Cause Heart Diseases in Healthy People

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  • Healthy people with increased sugar intake can be at a greater risk of developing heart diseases
  • Increased sugar intake may lead to changes in fat metabolism in the liver which is associated with higher cardiovascular risks
  • Children and teenagers may reach these high level of sugar intake by over-consuming frizzy drinks and sweets
  • There is an alarmingly high prevalence of fatal liver diseases in adults and Non-Alcoholic Fatty Liver Disease (NAFLD) in children and teens

Increased sugar intake in healthy individual showed changes in their fat metabolism that are associated with an increased risk of cardiovascular problems

A ground-breaking study from the University of Surrey found that a subject group of otherwise healthy men had increased levels of cholestrol in their blood and fat stored in their liver after they had consumed a high sugar diet.


High Intake of Sugar can Cause Heart Diseases in Healthy People

The study, which has been published in Clinical Science, looked at two groups of men with either high or low levels of liver fat and fed them a high or low sugar diet to find out if the amount of liver fat influences the impact of sugar on their cardiovascular health.

The low sugar diet contained no more than 140 calories a day worth of sugar - an amount close to the recommended intake - while the high sugar diet contained 650 calories worth.

After 12 weeks on the high sugar diet, the men with a high level of liver fat - a condition known as the non-alcoholic fatty liver disease (NAFLD) - showed changes in their fat metabolism that are associated with an increased risk of cardiovascular disease, heart attacks, and strokes.

Fat metabolism

Fat metabolism is the biochemical process by which fats are transported and broken down in the blood, and used by the cells of the body.

The results also revealed that when the group of healthy men with a low level of liver fat consumed a high amount of sugar, their liver fat increased and their fat metabolism became similar to that of the men with Non-Alcoholic Fatty Liver Disease (NAFLD).

Professor of Nutritional Metabolism, Bruce Griffin, said: "Our findings provide new evidence that consuming high amounts of sugar can alter your fat metabolism in ways that could increase your risk of cardiovascular disease.

"While most adults don't consume the high levels of sugar we used in this study, some children and teenagers may reach these levels of sugar intake by over-consuming fizzy drinks and sweets.

This raises concern for the future health of the younger population, especially in view of the alarmingly high prevalence of NAFLD in children and teenagers, and exponential rise of fatal liver disease in adults."

  1. Umpleby M , Shojaee-Moradie F, Fielding BA, Li X, Marino A, Alsini N, Isherwood CM, Jackson N, Ahmad A, Stolinski M, Lovegrove J, Johnsen S , Mendis A , Wright J , Wilinska M, Hovorka R, Bell J, Thomas E, Frost G, Griffin BA,Impact of liver fat on the differential partitioning of hepatic triacylglycerol into VLDL subclasses on high and low sugar diets.Clinical ScienceDOI:http:dx.doi.org/10.3390/nu9040349

Source: Eurekalert

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