The data are stronger for oils high in polyunsaturated fats
, such as soybean, corn, safflower, and sunflower, rather than those high in monounsaturated fat, such as olive oil," says Lichtenstein.
Good fats comprise two categories, monounsaturated and polyunsaturated fats
A: The risk of heart disease was about 30 percent lower in people who ate polyunsaturated fats
instead of saturated 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.
Professor Jeremy Pearson, associate medical director at the British Heart Foundation, which helped fund the study, added: "This analysis of existing data suggests there isn't enough evidence to say that a diet rich in polyunsaturated fats
but low in saturated fats reduces the risk of cardiovascular disease.
Healthy fats include monounsaturated and polyunsaturated fats
, which are found primarily in plant foods--nuts and nut butters, seeds, avocados, and vegetable oils--as well as in some types of fish.
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.
People who replace saturated fat (SFA) in their diet with polyunsaturated fat
(PUFA) reduce their risk of coronary heart disease (CHD) by 19% compared with control groups of people who do not, a new study has found.
To help reduce cholesterol, cut down saturated fats (found in animal fats), and trans fats (in processed foods), and replace with monounsaturated and polyunsaturated fats
, such as olive oil and vegetable oil.
5 grams; polyunsaturated fat
, 1 gram; monounsaturated fat, 1.
contains two major types of polyunsaturated fatty acids (PHFAs)--omega-3 and omega-6--which the body needs but does not make for itself.
The nutrition panel on Lay's will list mono- and polyunsaturated fat