bad breath causes

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Your Super-Low-Carb Lifestyle
After a rice-free sashimi dinner or an all-you-can-eat Brazilian barbecue, your body is tasked with metabolizing a high amount of protein. This produces a by-product of ammonia, which, among other places in the body, is released in your breath (fortunately, your dining companions will suffer the same condition). Eating this way on a regular basis—by following a high-protein diet, for example— requires your body to constantly excrete these by-products, as well as molecules called ketones, which can cause your breath to smell in a way that’s described as rotten fruit —or just rotten.