Research has shown diabetes rates in South Africa have increased by an alarming 155-percent in the last decade. Newsflash reports that the chief specialist scientist at the SA Medical Research Council, Christo Muller, says 90-percent of diabetics are type-2 patients. Research has shown that this form can be reversed with lifestyle modifications like a new diet including rooibos tea products. Rooibos tea has a special ingredient which has been shown to lower blood sugar.