Polyunsaturated fats


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Polyunsaturated fats

A non-animal oil or fatty acid rich in unsaturated chemical bonds not associated with the formation of cholesterol in the blood.
Mentioned in: Cholesterol, High
References in periodicals archive ?
Despite recent headlines that saturated fats may not be as bad as originally believed, the American Heart Association says that clinical trials clearly show that replacing saturated fat in the diet with polyunsaturated fat reduces the incidence of cardiovascular disease.
Polyunsaturated fats are essential - the body cannot make them on their own and thus need they need to be obtained from the diet.
Q: Why recommend polyunsaturated fats over monounsaturated fats?
The research findings challenged well-established guidelines on fat consumption promulgated by the American Heart Association (AHA), which encourage the consumption of cholesterol-lowering polyunsaturated fats to avoid the dangers of saturated fats, which are thought to boost levels of "bad" blood-vessel-clogging LDL cholesterol.
Saturated fats tend to increase the amount of cholesterol in the blood - polyunsaturated fats and monounsaturated fats have the opposite effect.
Past data from elsewhere suggest that these polyunsaturated fats might influence the sense of smell, and it looks like that may be true for detection dogs.
It focused on one, not all, omega-6 polyunsaturated fats, and the results are in a very specific group--middle-aged men who had had heart attacks.
It has been known for a long time that 'summer milk' produced from fresh pasture have these polyunsaturated fats, which is thought to be beneficial," Dr Lee said.
The American Heart Association is expanding and improving its Heart-Check Food Certification Program to allow certification of more foods with healthier fats, including fish, nuts and other foods higher in monounsaturated and polyunsaturated fats.
But olive oil and healthier polyunsaturated fats appear to have the opposite effect, helping to keep people cheerful.