For so many people, stopping all fruit consumption is the missing link that allows them to really begin improving their health. Fruit is constantly recommended for daily consumption in a healthy, balanced diet, but for those who have developed carbohydrate intolerance (and this is a great many people these days), it is just too high in simple sugars. A small amount as part of an occasional dessert may be tolerated, but daily consumption of full pieces of fruit can cause a wide range of health issues, mental and physical.
Modern fruits have been bred for hundreds of years to be large and sugary. You will not see fruits like these growing in a forest somewhere. Even a hundred years ago, most fruits were smaller and more tart. Now, even truly low carb fruits like raspberries are being bred to be larger and sweeter because that is what people want. Strawberries are twice the size they were even forty years ago. So the trend continues. We now have candy bars that grow on trees.
There are a few truly low carb fruits including lemons, limes, kiwis and blueberries, raspberries and strawberries in moderate amounts. When fruit is eaten very sparingly, keeping the carbs in the "vegetable range" such as the fruits used in some of the low carb desserts in the Cookbook, it can be part of a carbohydrate controlled diet. But many people find that if they eat a little, they will end up eating a lot.
My personal experience with fruit is it acts like speed or caffeine on the adrenals. You will get a quick pick up from eating fruit throughout the day. These constant Sugar spikes will only worsen adrenal burnout, hypoglycemia and feed pathogens. I ate loads of fruit and raw vegetables for 2 years before I got here.
So much good info on Theresa Vernon's site on this and the dangers of eating a high carb/low protein and fat diet for those with adrenal fatigue.