Indicators that this is starting to happen are raised levels of various liver-related enzymes, the most commonly checked being AST, ALT, APT and GGT. If you’ve been told by your doctor that you have decreased liver function it is likely to be based on these test results. When your liver is making too much fat, AST and ALT spill out into the blood, so your level will go up. A raised level of APT or especially GGT indicates that your liver is being damaged or the bile duct is blocked.
Contrary to popular belief your liver is the organ that suffers most in diabetes, not your pancreas. According to Dr Jacqueline Paltis in the Sugar Control Bible, Johns Hopkins University found that in 5,000 diabetics autopsied only 2 per cent had a degenerated pancreas, whereas 98 per cent had damaged livers.
To put this into perspective up to 20% of the Western adult population is thought to have the first signs of poor liver function. For example, Dr David Unwin is a UK GP looking after 9,000 patients. 1,300, or 14%, had abnormal liver function tests, the vast majority of whom were overweight. There are no effective drugs for this condition. “For years I didn't really know how to advise my patients, particularly if they said they didn’t drink much alcohol. Initially I wondered if they were telling the truth, but was it likely that so very many of them were lying?” says Unwin.
A low carb, low GL diet approach
He decided to investigate the effects of putting his patients on a low glycemic load diet. “I noticed I could predict which patients would have lost weight before they came into my consulting room from the improvement in GGT blood results alone- so began to wonder about raised GGT levels, diabetes and non-alcoholic fatty liver disease (NAFLD): Was dietary carbohydrate a link?”
How effective is a low-GL diet for reversing abnormal liver function? David decided to investigate by tracking the progress of 69 patients with non-alcoholic fatty liver disease with an average GGT level of 77 iu/L (the normal range is 0-50) and an average Body Mass Index of 34.4Kg/m2 .Obesity is defined as having a BMI above 30 so these were obese patients for the large part. Patients were advised, and supported to follow a ......
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