Farting is known as flatulence medically. It is also known as passing gas or passing wind. This biological process aids the passage of gas from the digestive system.Farts can be uncomfortable especially when they are loud and foul-smelling. In some instances, farts can be odorless and silent. Though uncomfortable, smelly gas is most times considered normal.There are many causes of smelly farts which we will soon look into. Smelly farts can also be a sign of an underlying health problem, disorder, digestive issue, or an infection.