A cataract is a clouding of the lens in the eye that affects vision. Most cataracts are related to aging. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery. cataract is a clouding of the lens in the eye that affects vision. Most cataracts are related to aging. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery.
Commonly known as farting, passing wind, or having gas, flatulence is a medical term for releasing gas from the digestive system through the anus. It occurs when gas collects inside the digestive system, and is a normal process.
Introduction. Flatulence is passing gas from the digestive system out of the back passage. It is more commonly known as passing wind or farting. Farting is often something that is laughed about but excessive flatulence can be embarrassing, and make you feel uncomfortable around other people.owever, it is important to remember that it is normal for the gas you pass to sometimes smell a bit. Excessive flatulence can be caused by swallowing more air than usual or eating food that is difficult to digest. Or it can be due to an underlying health problem that is affecting the digestive system.