Low-fat diets didn’t reduce the risk of cardiovascular disease, colorectal cancer or invasive breast cancer, according to three large studies published this week in the Journal of the American Medical Association.

The researchers divided 48,835 women into two groups based on diet-- one group with 19,541 women consumed a low fat diet and the other group with 29,294 women consumed their usual diets ­-- and followed the women for 8.1 years.

The most significant result of the $415 million study is that low-fat diets don’t reduce heart disease risk. As the researchers put it, “Over an average of 8.1 years, a dietary intervention that reduced total fat intake and increased intake of vegetables, fruits and grains did not significantly reduce the risk of coronary heart disease, stroke or cardiovascular disease in postmenopausal women and achieved only modest effects on cardiovascular risk factors…”

Read more on study findings related to the low fat diet at http://www.foxnews.com/story/0,2933,184409,00.html.