What Your Farts Can Reveal About Your Health, According to Experts

Yeah, we’re discussing it. Doctors say passing gas is completely normal and can actually tell you a lot about what's going on inside your gut.

Jul 10, 2026 - 03:28
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What Your Farts Can Reveal About Your Health, According to Experts

Usually nothing to worry about, but experts say that changes in your smell, frequency, or loudness can sometimes be clues to your digestive health.

That's where the gas comes from. Your body has to get rid of gas from the digestive tract. * gases produced by bacteria in your gut * when you eat or talk * air you swallow * as they digest food. That gas is derived from two sources:

The average person farts between 10 and 20 times a day. That's fine. 

The amount of gas you make depends on what you eat, how well you digest food, and the balance of bacteria in your gut.

'Bad smell of petrol' refers to
The reason you suddenly notice a stronger smell to your fart is usually the food you eat. 

Common offenders include foods containing sulphur, such as eggs, broccoli, cabbage, beans, and garlic. Bad petrol is usually nothing to worry about and will go away on its own.

But doctors caution one to look out for foul-smelling gas and other symptoms. Symptoms of digestive system problems are: Stomach Pain, Diarrhoea Unexplained weight loss and blood in the stool. In these cases, you should consult your doctor.

Frequency is a big deal as well

Is it normal for more petrol to come out? There are a few things that might be causing this:
- Eating foods high in fibre, such as beans and whole grains.
- Consumption of soft drinks
-Eating too quickly, chewing gum, swallowing air.
Food allergies, such as lactose intolerance
- Digestive problems such as IBS or other

Sometimes it’s good to have a little bit more petrol. If it’s persistent, painful or impacting your everyday life, a medical evaluation can help determine the cause.

How to Maintain Healthy Intestines
You can’t, and shouldn’t, stop farting altogether. It’s a natural digestive process. But with a few simple habits, you can easily make things cosy:

Eat slowly and chew well so you don’t swallow air
- Keep the digestion moving with exercise and hydration.
- eat lots of high-fibre foods - add more fibre to your diet slowly
- Limit processed foods and fizzy drinks
- Avoid foods that cause bloating or discomfort 

You should see your doctor
The trick, according to experts, is to look for change. If the smell or frequency suddenly changes and it doesn't go away, or if the gas is accompanied by pain or other symptoms that don't go away, get it checked

Your gut is just doing its job. It’s doing its job, but it’s noisy and sometimes smells.

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