What's Up With...Smelly Gas - You can blame it on the dog, but it happens to everyone.

The average person toots around 14 times a day-it's how your body releases the extra gas that accumulates when you swallow air and digest food, says Shilpa Ravella, M.D., author of A Silent Fire: The Story of Inflammation, Diet, and Disease. If you chew gum or smoke, you'll have even more gas buildup, she adds.

- By Madeleine Haase and Marisa Cohen

yes, it's mortifying when it happens, but passing gas is a normal bodily function. The average person toots around 14 times a day-it's how your body releases the extra gas that accumulates when you swallow air and digest food, says Shilpa Ravella, M.D., author of A Silent Fire: The Story of Inflammation, Diet, and Disease. If you chew gum or smoke, you'll have even more gas buildup, she adds.

What makes gas so stinky?