Recovered data from Minnesota coronary study clearly showed that replacing saturated fats with n-6 PUFAs does not improve death rate from coronary heart disease or all other causes. In fact old data from 1989 article published in the journal Arteriosclerosis also showed no difference between treatment group and control group. It was a randomized controlled clinical trial with over 9000 subjects, so it has enough power to show vegetable oils are not better than saturated fats which has been demonized for decades. If you look at the Kaplan–Meier curve in 1989 paper (Figure-6), you can find there were fewer people alive in treatment group (ie. those taking vegetable oils and have lower cholesterol levels) compared with control group. It is so embarrassing that the paper was published 16 years after completion of the study! It is interesting to find there are recovered data which add to our knowledge and old ideas die hard despite overwhelming evidence to the contrary.
American Heart Association (AHA) recommends vegetable oils rich in polyunsaturated fatty acid (n-6 PUFA) for cooking for the simple reason that it lowers serum cholesterol level. What they ignore is these omega-6 PUFAs oxidize easily and release toxic aldehydes as mentioned in scientific literature.
Recovered data from Minnesota coronary study clearly showed that replacing saturated fats with n-6 PUFAs does not improve death rate from coronary heart disease or all other causes. In fact old data from 1989 article published in the journal Arteriosclerosis also showed no difference between treatment group and control group. It was a randomized controlled clinical trial with over 9000 subjects, so it has enough power to show vegetable oils are not better than saturated fats which has been demonized for decades. If you look at the Kaplan–Meier curve in 1989 paper (Figure-6), you can find there were fewer people alive in treatment group (ie. those taking vegetable oils and have lower cholesterol levels) compared with control group. It is so embarrassing that the paper was published 16 years after completion of the study! It is interesting to find there are recovered data which add to our knowledge and old ideas die hard despite overwhelming evidence to the contrary.
0 評論
發表回覆。 |
Archives
七月 2021
Categories |