Tell that to the people on the anabolic diet who were able to lower cholestrol eating red meat daily.
Sounds like BS.
Actually, an analysis back in 2000 showed that the best diet for reducing cholestrol was a high carb, high fiber, low fat diet (though it was a non-clinical study).
I'll have to take a look and see if I can track it down, but I remember having to study some research that had shown that high protein diets were found to be related to a hardening of the artery walls, though I'm pretty sure they didn't specify exact types of meat ingested.
On top of that, there are a good number of studies that have shown a direct link between high protein/low carb diets and decreased bone mass and osteoperosis, due to a large increase (almost 50%) in urinary calcium, in spite of vitamin D and calcium supplementation. Urinary calcium excretion is restored to normal levels when normal carbohydrate consumption is resumed.
There is also evidence of increased cellular damage in high protein/low carb diets due to oxidant exposure.
Granted this has no bearing on standard carb/high protein diets, as oxidative damage and bone density decrease seem to be caused moreso back lack of carbohydrates then excess of protein.
Actually just read a study (Excess Dietary Protein Can Adversely Affect Bone) that bone demineralization isn't limited to low carb high protein diets and that high protein diets alone can cause such a shift in renal acid load that high protein intake alone can cause bone deinsity loss.
I can't find any studies to the effect, so I'm not sure how this plays out when paired with the bone fortifying effects of resistance training.
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