One of the good and bad things about having a great mic is its sensitivity. I always know when I must stop my work in the booth and  get something to eat. That nasty growl ruins oh so many  takes!!! DANG! One thing is for certain, you really come extremely and intimately and aware of your normal  functionality when it comes through upon playback. (LOL)

I was feeling rather curious about this repeated phenomenon and googled it and found some interesting information which may be of interest to other v-o’s out there. I tried to keep the information  copied below limited to stomach growling, but it actually encompasses the very human fact that we all have gas! Thanks to WebMD for the  following:
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“It’s happened to everyone at least once. In an awkward silence on a date, or during your fifth grade clarinet solo, or in the middle of a business presentation, your body suddenly betrays you. You burp. Or your stomach begins to growl and roar.

The Growling Stomach

Intestinal gas can also cause the familiar sounds of the “growling stomach,” a term that’s actually a misnomer, says Munsey Wheby, MD, president of the American College of Physicians.

“It’s not usually the stomach making the noise,” says Wheby, who is also senior associate dean and a professor of medicine at the University of Virginia School of Medicine. “Instead, it’s caused by the intestines as they contract.”

Everyone knows that a growling “stomach” can mean that you’re hungry. But the noise often stems from the movement of air through the intestines, whether there’s food there or not. So if you’ve been swallowing a lot of air, or if you’ve been eating things that your small intestine can’t digest, you may hear some grumbling, or even a whole symphony of bizarre and embarrassing noises.

… occasional growling from the intestines isn’t anything to worry about, says Edmundowicz.
Any food that is high in soluble fiber, for instance, is only broken down by bacteria in the large intestine, so that can mean more gas. Foods that may cause gas include:

Vegetables such as cauliflower, broccoli, cabbage, brussels sprouts, onions, artichokes, and asparagus
Beans
Fruits such as apples, pears, and peaches
Whole grains, such as whole wheat and bran
Sodas and fruit drinks
Foods with sorbitol, often used as a sweetener in sugar-free gums and candies

As you may have noticed, many of those foods are the bedrock of healthy diets.

“People sometimes do get confused when they find out that a healthy high-fiber diet with lots of fruits and vegetables can cause excess gas symptoms,” says Edmundowicz.

Fruits, vegetables, and grains are important for digestion in other ways, so if you have gas, be cautious when trying to eliminate healthy foods from your diet. You may just need to eat a little less to ease your symptoms.

Eating the Air

For the most part, burping is caused by air that you swallow. Aside from teenage boys engaging in belching contests, most of us don’t swallow air on purpose. But eating air is easier to do than you might think. You can increase the chances of swallowing air by:

Smoking
Chewing gum
Drinking through a straw
Sucking on hard candies
Drinking a lot of carbonated beverages
Eating or drinking too quickly
Wearing loose dentures

In addition, any medical condition that might cause you to swallow frequently can increase the amount of air you get into your stomach. For instance, allergies or sinus infections that cause postnasal drip can make you swallow more often. That may increase the amount of gas in your system.

Edmundowicz tells WebMD that people with severe heartburn are also likely to swallow air. The natural reaction to the backwash of stomach acid into the esophagus is to swallow in order to force the acid back down. The more you swallow, the more air gets into your stomach.
Some people develop an unconscious nervous habit of swallowing. “There are a lot of closet air swallowers out there who don’t realize that they’re doing it,” says Wilcox.

…. there are some steps you can take. All three experts agree that the most important steps are making changes to your diet by:

• Avoiding anything that might increase your chances of swallowing air, such as smoking, drinking through straws, and eating too quickly


• Avoiding or cutting down on problematic foods, such as carbonated drinks, beans, and some raw vegetables
  Considering a food diary. If you can’t figure out what may be causing your increased gas, try keeping a journal of what you eat. You may find one or two foods that seem to increase your symptoms.
  There are countless products sold in drugstores that may give you some relief, including antacids and digestive aids. But Wilcox and Edmundowicz caution that they may not help much.

“Antacids have very limited effects,” says Edmundowicz. While simethicone, an ingredient in many antacids, seems to help some people with heartburn, it won’t help with intestinal gas.

So for most of us, coping with gas — while noisy, embarrassing, and sometimes malodorous — is just a normal part of life. “