If you're wondering why some farts are loud and others aren't, it may come down to a few factors within your control, according to a GI doc. Oops, you did it again ...

Farting in public can be mortifying—whether it's a loud burst in a quiet room or an unexpected smell. The embarrassing stares, stifled giggles, and threat of ridicule make it really humiliating.

It's often the little things in life which can cause the most annoyance. Wonky pictures on the wall. Labels on the bottoms of shoes. Hangnails. Loose threads. Mosquitoes. Hold music. Jeans wearers ...