Using oil, seed oils included, instead of butter lowered risk of premature death, says study

Using certain vegetable oils instead of butter may help people live longer, healthier lives, according to a new study.

The study, published Thursday in JAMA Internal Medicine, builds on a large body of research showing the health benefits of olive oil in particular, and on recent studies that have complicated conventional wisdom about butter’s links with heart disease and overall mortality risk. By tracking dietary and mortality data of 221,054 adults over more than 30 years, the study authors say they’ve gained useful insights into the long-term consequences of the particular kinds of fats we eat.

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