
Everyone does it, but no one talks about it. No, not that topic — the fact that we pass gas every day. In fact, the average person produces between 1/2 and 1 liter of gas daily and passes gas about 10 to 20 times. Annoying? Well, sometimes. Embarrassing? Possibly. But is excess gas ever a cause for concern?
A healthy digestive system

Gas is produced when bacteria in the digestive system break down food. Intestinal gas contains mostly hydrogen and methane, with small amounts of other gases like hydrogen sulfide, which give gas a bad odor. Yet most components of intestinal gas are odor-free.
But can you ever be too gassy — and is frequent gas ever a problem?
Which foods you eat — and how you digest them — can increase gas production. For instance, as people age, they often have trouble digesting foods that contain short-chain carbohydrates called FODMAPs, a term that stands for fermentable oligosaccharides, disaccharides, monosaccharides, and polyols.
“These foods are either not digested or incompletely digested, which causes increased fermentation by gut bacteria and ultimately creates more gas,” says Dr. Staller.
Foods with gas-producing FODMAPs

Courtesy: MHunters.com
People sometimes turn to sugar-free foods as a means to manage their weight, and many of those contain sorbitol or other sugar alcohols, FODMAPs that are also readily fermented in the gut. Lactose — the sugar in milk and dairy products — is a FODMAP as well, and gas is a common consequence of lactose intolerance.
“This range of foods is why someone distressed by excess gas might consider speaking with a nutritionist to help identify possible problem ones, and then design a strategy to either decrease the portion sizes or to completely eliminate them and replace them with other foods,” says Dr. Staller.
In many cases, a person may tolerate smaller amounts of gas-producing food, but a heavy dose creates excessive gas. For instance, you may have trouble digesting a glass of milk or a bowl of ice cream, but be fine with cream in your coffee.
If you need extra help controlling excess gas, you can try an over-the-counter product like Beano or Gas-X before eating. These will help reduce excess gas, pressure, and bloating. “There’s no harm in using them, but be mindful that they don’t work for everyone, and you should stop taking them if you don’t feel noticeably better after six weeks,” says Dr. Staller.
Does gas increase as we age?

Is excess gas ever cause for concern?

“These symptoms could be signs of a digestive disorder, such as celiac disease, ulcerative colitis, or Crohn’s disease,” says Dr. Staller.
Otherwise, realize that gas is a small reminder that your digestion is working as it should.
The post Feeling gassy — is it ever a cause for concern? appeared first on Harvard Health Blog.
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