Some believe that dietary fat may also increase the cancer risk.

Dietary fat also plays a major role in your cholesterol levels.

With heart disease, he said, researchers have found that women and men respond in the same way to dietary fat.

Dietary fat has been implicated in other forms of cancer.

Dietary fat should be even lower, they said, as low as 10 percent.

During this process the brain, which is a source of dietary fat, may have been extracted.

The state of the evidence, he says, "doesn't allow us to pinpoint which dietary fat is responsible for changes in behavior."

But after it was under way, other, less definitive studies failed to find any association between dietary fat and breast cancer.

The women did not achieve their dietary fat or vegetable and fruit goals.

The explanation for this possible association between prostate cancer and dietary fat is unknown.