Beware, canola oil may harm your brain and affect your memory

Canola Oil harmful for brain

"Canola oil is appealing because it is less expensive than other vegetable oils, and it is advertised as being healthy", notes Dr. Praticò.

Canola oil - a vegetable oil made from the rapeseed plant - is one of the most widely consumed vegetable oils in the world and has always been touted as a healthy alternative to saturated fats.

And despite its seemingly wholesome profile, researchers discovered it caused weight gain.

The lead researcher of the group Domenico Pratico said that canola oil is vegetable oil, but people must be careful prior to saying it is healthy. "Very few studies, however, have examined that claim, especially in terms of the brain".

In their study, Praticò and his team zoomed in on the vegetable oil's effect on the formation of amyloid plaques in the brain which is a telltale sign of early onset of Alzheimer's.

The mice that were fed canola oil didn't show an increase in the amyloid plaque or tau neurofibrillary tangles characteristic of AD.

This is the first study that shows that consumption of canola oil is not a beneficial choice for the brain. The mouse model was created to mimic Alzheimer's in humans, progressing from an asymptomatic phase in early life to full-blown disease in the older rodents. The team used 6-month-old mouse models to test the link between the oil and its influence on Alzheimer's disease. One group was fed a diet that was augmented daily with the human equivalent of two tablespoons of canola oil, while the other was fed a normal diet.

The mice were evaluated at 12 months. When the mice on the canola-rich diet reached one year in age, they had gained weight and were suffering from a significantly impaired memory, compared to the mice in the control group.

Working memory and learning abilities also were reduced in the canola oil group.

However, adding a little fat to your food, either through cooking or drizzling over salads, can help to fill you up and feel more satisfied after a meal provide a variety of health benefits.

They also showed increased formation of amyloid plaques in the brain. The damage was accompanied by a significant decrease in the number of contacts between neurons, indicative of extensive synapse injury.

"Although we recognize that more studies are needed to investigate the biological effects of this oil, our data would not justify the increasing tendency of replacing olive oil with canola oil as part of a good and healthy dietary alternative in non-Mediterranean countries".

"Based on the evidence from this study, canola oil should not be thought of as being equivalent to oils with proven health benefits", he said.

Temple University researchers recently carried out an experiment to determine how the popular cooking oil might have an effect on the brain. These rodents would show no symptoms of memory loss and learning problems early in life and slowly progress to symptoms of Alzheimer's as they aged.

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