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Why does passing gas smell bad sometimes?

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minagilposted 4 years ago
Why does passing gas smell bad sometimes?
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erorantesposted 4 years ago
Most of the bad smell is bad news. No one like then. The good news is the smell just pass. It is a sing that something is wrong. What ever is coming from.
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Quotesloverposted 4 years ago
Most common causes of embarrassing gas are:
Smoking
Fast eating
Undigested food
Parasites
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BlissfulWriterposted 4 years ago
Odor is caused when undigested proteins get fermented by the bacteria in the colon. Can also be dybiosis (which means an imbalance of the good and bad bacteria).

When stomach acid is strong, and digestive enzymes are optimal, and when food is being digested well without any food intolerances, then gas that passes will not smell.
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Peter Geekieposted 4 years ago
The gas includes hydrogen sulphide that will have the "bad eggs" odour. On occasions when this gas is not present (change in food) the gas passed will be predominantly methane which has little or no smell, but is highly flammable. Don't try the silly game of lighting them, all you will end up with is a very sore posterior.
kind regards Peter
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Seeker7posted 4 years ago
It usually depends on the type of food you've eaten - spicy foods for example - and they can cause excess wind and other disturbances in the digestion process that causes bad smelling gas to pass. In addition, bacteria in your gut also cause odours both when passing gas and when having a normal bowel movement.
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Scott P Williamsposted 4 years ago
Many answers here seem to be correct. The odor is due to bad food combinations. We are not supposed to mix our food the way we all do. If you eat only vegetables, or only protein. You will notice no smell. When you add sugar or carbs on top of that meal an mix it, you will notice the smell comes back.
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