Soda in any flavor is never the best choice. It's a drink that is lacking in nutrition, to say the least. Plus, it can cause digestive discomforts like gas and bloat from the carbonation and any artificial sweeteners that may be present. It's been proven that there are plenty of long-term health effects of frequent soda consumption, too. Yet, which is the worst flavor you really should never drink? Well, that would be none other than bright, bubbly orange soda. (Instead, go ahead and stock up on any of The 7 Healthiest Foods…