New research suggests that oil is more likely than others to cause the build up of plaque in the brain, the predecessor is known for severe neurodegenerative diseases.
In the middle of the 20th century, Americans are becoming increasingly worried about the growing number of heart disease and was told to lower the saturated fat as butter and cream in favor of vegetable oil.
But Dr. Catherine Shanahan family, doctors, and nutritionists say that this is a serious mistake.
Dr. Shanahan explained that in the 1950s, consumers were asked to stop eating saturated fats and turn to products such as vegetable oil, which soon became staples of the kitchen. But there's another factor to its popularity.
He told the Daily Mail Online: ' restaurants and other companies that showed that the vegetable oil as prices and availability. Olive oil 10 to 50 times more expensive than vegetable oil.
"It is also very easy to use in cooking because of no high smoke point and have no taste like olive oil. So having a simple factor."
Vegetable oil comes in many forms-rapeseed, Palm, maize, soya beans, sunflower seeds, safflower, cotton seed, rice bran and grape seed.
But according to Dr. Shanahan, too many types of oils in our diet can take a toll on our bodies.
He said, vegetable oils can make you feel tired and foggy, cause migraines and even trigger diseases such as Alzheimer's or dementia later down the line.
"Vegetable oil is causing oxidative stress, which damages the brain membranes and build the lead to plaque on the brain," he said.
"We have seen in the study of Alzheimer's patients that doctors will biopsy of brain parts and see the plaque has built."
But Dr. Shanahan says that even if you grew up eating foods that are rich in vegetable oil, you can reverse the negative effects of just cutting it.
He said: ' I invite people to take a seven-day challenge and they will realize it's in everything and that is the problem.
' If you get rid of it, your taste buds will wake up little by little, you will feel the food in ways that are supposed to taste and you will see an increase. Do you have more energy. '
A report issued in may by the European food safety authority found the component in vegetable oils palm oil-the most heavily utilized and is found in products such as Nutella-to become ' geotoxic and carcinogenic '.
In a statement to the Daily Mail Online says representatives of Ferrero, the company that makes the palm oil used in Nutella, a hazelnut chocolate spread smooth on low heat, and because it contains fewer pollutants.
Dr. Shanahan says it helps a small risk, but not by much.
"This is like saying," mom, I'm going to start Smoking, but I want to Smoke just three cigarette per day instead of the whole herd. "You won't be very happy about it," he said.
"These oil companies want to because they have the benefits of anti-microbial to prolong their shelf life and prevent them from going bad — but that's because they are toxic."
More research has since come out linking vegetable oils for cardiovascular disease and depletion of antioxidants.
Oil promoted as healthy, because it contains monounsaturated fat and Omega-3 fatty acids. But it also contains high levels of polyunsaturated fats.
These fats oxidize easily, deplete the body's antioxidant and causes inflammation and mutations in cells.
Vegetable oils also contain trans fat, which is very toxic and is associated with an increased risk of various diseases such as heart disease, cancer, diabetes and obesity.
In the last few years started a study to promote the benefits of heart-healthy fats such as butter and avocado.
Dr. Shanahan says that consumers would do well to substitute vegetable oil with olive, coconut, avocado, or peanut oil.
He said: I would say when you create your own cooking to choose oils that have flavors, such as coconut or ground nuts, and then verify that it is not purified.
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