1 Viruses such as the flu, norovirus, or rotavirus . Rotavirus is the most common cause of acute diarrhea in children. 2  Parasites, which are tiny organisms found in contaminated food or water.  Medicines such as antibiotics, cancer drugs, and antacids that contain magnesium.
A pedophile is someone who has a primary or exclusive sexual attraction to prepubescent children of either sex. Not every adult who is attracted to children acts on their attraction. There are pedophilic offenders and there are situational offenders.
An extremophile is an organism that thrives under extreme conditions. The term frequently refers to prokaryotes and is sometimes used interchangeably with Archaea. In this module, however, you will find that extremophiles come in all shapes and sizes, and that our understanding of the phylogenetic diversity of extreme habitats increases daily.