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.
The most common causes include viruses, medication, bacteria and parasites, but it can also be caused by certain substances found in food and beverages, including fructose and lactose. Digestive disorders, such as inflammatory bowel disease and irritable bowel syndrome, can also trigger frequent diarrhea.