Also known as passing wind among other, less polite names, on average we produce half a liter of fart gas a day.
If everything is ticking along nicely, this fart gas is spread out at least fifteen times daily.
But sometimes there are times when it seems as if you are exceeding this daily average, lol. Now, this is why according to Mirror.co.uk..
Dr Patricia Raymond, a physician and a fellow of the American College of Gastroenterology has explained why some days are gassier than others.
Everyone farts, with the average being between 5 to 15 times a day according to the NHS.
As for why we fart, it's a physiological necessity.
We need release all that intestinal gas which builds up as a result of digesting food. This gas can be found throughout the digestive tract, including the stomach, small intestine, colon, and rectum.
Gas is also automatically accumulated as a result of swallowing air when we chew or talk.
The build-up can also be caused by accumulating bacteria in our gut and carbohydrates which haven't been digested properly.
1. In-flight farting
Have you ever noticed how you're a bit more liberal with the farts when you're on an airplane?
There is a genuine reason behind this. Research has shown how high altitude causes the gas in our bodies to expand.
In turn, this leads to bloating and eventually flatulence. Bearing in mind how packed commercial flights can be, it's enough to put anyone off getting on a plane ever again.
2. Healthy eating
Not all the food we eat gets digested. Anything our small intestine doesn't process gets passed on to our large intestine where it brews.
Unfortunately, we owe our smelliest farts to the healthiest foods.
Fruit, vegetables, whole-grains and legumes all generate a stink.
Onions, broccoli, cauliflower, cabbage, and sprouts contain a carbohydrate called raffinose, which the stomach and the small intestine are also unable to digest.
3. Too much air
There are two 'sources' of our farts. One is the gas produced in our large intestine. The other is the air we swallow, which makes its way through our digestive tract.
The good news is if you're swallowing a lot of air, the farts which are a by-product tend to be odourless, rather than the silent-but-deadly variety.
It's called 'aerophagia' and it's caused by eating your meals quickly, chewing gum, or drinking lots of carbonated beverages.
4. Absorption
Now on to the silent-but-violent variety.
When farts are particularly unpleasant, it may be because our bodies are having trouble absorbing certain nutrients.
We all react differently to various food types, but the most common one people experience problems with are the sugars from carbohydrates followed by lactose.
5. Something more serious
The quantity and 'quality' of our farts will differ from day to day.
But Dr Raymond suggests recurrent episodes, or gas and bloating that comes with pain or other symptoms like diarrhea or constipation, are worth talking to your doctor.
Excessive and bad smelling farts could be symptoms of medical conditions such as IBS and celiac disease.
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