Junk Food Hurts Your Arteries, But Wholesome Meal Could Support

WEDNESDAY, Oct. 31 (HealthDay News) — Just about every junk-food meal you consume damages your arteries, although Mediterranean- variety meals do no harm — and may well even have a valuable impact, according to a new study.

Junk-food meals are composed mainly of damaging saturated fat, even though Mediterranean-style meals are wealthy in great fats such as mono- and polyunsaturated fatty acids, according to the researchers from the Montreal Heart Institute, which is affiliated with the University of Montreal.

The study included 28 nonsmoking men who ate a Mediterranean-style meal 1st and then a junk-food meal a week later. The Mediterranean meal integrated salmon, almonds and vegetables cooked in olive oil. The junk-food meal included a sandwich made with sausage, egg and cheese, along with three hash browns.

The researchers assessed how the meals affected the inner lining (endothelium) of the blood vessels. Endothelial function, which determines how well blood vessels dilate (or open), is closely linked to the long – term threat of developing heart disease.

Soon after consuming the junk-food meal, the participants’ arteries dilated 24 percent much less than they did when they hadn’t eaten. Soon after the Mediterranean meal, the participants’ arteries dilated normally and maintained excellent blood flow, the investigators identified.

The researchers also measured the participants’ triglyceride levels. Triglycerides are a sort of fat in the blood that can lead to narrowing of the arteries. The study authors located that individuals with greater blood triglyceride levels seemed to benefit much more from the Mediterranean meal. Their arteries responded greater to the meal than the arteries of individuals with low triglyceride levels.

“We believe that a Mediterranean- form diet regime could be specifically useful for people with high triglyceride levels… precisely simply because it could aid preserve arteries wholesome,” study leader Dr. Anil Nigam, director of analysis at the Cardiovascular Prevention and Rehabilitation Center at Montreal Heart Institute, said in a university news release.

The study was scheduled for presentation Tuesday at the Canadian Cardiovascular Congress in Toronto. The information and conclusions of study presented at medical meetings must be viewed as preliminary until published in a peer-reviewed journal.

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