1 The word gun is a noun, but can be used as a verb when you âgun someone down.â Verbing a noun can add spice and drama to an otherwise bland sentence. 2  Experiment with nouns to find one that works well with the verbing process.
As another poster mentioned, depression is a cause of laziness. But let's not forget procrastination. While not officially recognized as a mental disorder, in some people procrastination is both a cause and effect of laziness. Certian people cannot prioritize correctly, to the point I've read many cases where a person will simply always make their priorities come second, mentally speaking.
Having too much protein in too large a meal is a common cause of digestive problems and excessive flatulence. Undigested protein can putrefy in the heat of the large intestine and, with bacterial action, lead to the production of gases like hydrogen sulphide, indoles, skatoles and mercaptans.