Several years ago, the discovery of conjugated linoleic acid (CLA) caused a scientific sensation. Here was a fatty acid found in red meat and cheese that showed strong anti-cancer properties, being particularly effective in inhibiting breast and prostate tumors, as well as colorectal, stomach, and skin cancer, including melanoma. On the whole, scientists found CLA to be more strongly anti-carcinogenic than other fatty acids. What made CLA especially unique is that even low concentrations significantly inhibited cancer cell growth.
CLA supplementation was also shown to improve the lean mass to body fat ratio, decreasing fat deposition. especially on the abdomen, and enhancing muscle growth. One mechanism whereby CLA reduces body fat is by enhancing insulin sensitivity so that fatty acids and glucose can pass through muscle cell membranes and away from fat tissue. This results in an improved muscle to fat ratio.
After some head-scratching about cheeseburgers as the newest health food, it was discovered that, sadly, the natural sources of CLA such as beef, butter and cheese no longer provide as much of this valuable fat as they used to. Compared to the previous generations, Americans are .......
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