Harvard Health Letter

New concerns about diet sodas

There are growing doubts about whether diet sodas help people lose weight and avoid diabetes. Research has shown that sugar-free sodas may be linked to the development of metabolic syndrome—a condition that often precedes or accompanies diabetes. Many artificial sweeteners may actually increase the brain’s desire for sugar. Even the soda container may pose problems. Many cans are lined with a substance called bisphenol A (BPA). Research has shown that people with higher levels of BPA in their body are more likely to have high blood pressure and heart trouble.
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