caused by damage caused by defective caused by dehydration caused by diabetes caused by differences caused by different caused by direct caused by disease caused by diseases caused by drinking caused by drug caused by drugs caused by dry caused by dust caused by earthquakes caused by eating caused by electrical caused by environmental caused by environmental factors caused by evil caused by excess caused by excessive caused by exposure caused by external caused by extreme caused by failure caused by faulty caused by fear caused by fire caused by flooding caused by food caused by foreign caused by free caused by friction caused by fungi caused by gas caused by genetic caused by germs caused by global warming caused by gram-negative caused by having caused by heat caused by heavy caused by herpes caused by high caused by hot caused by human caused by human activities caused by human activity caused by human error caused by humans caused by hurricane caused by illness caused by improper caused by inadequate caused by incorrect caused by increased caused by infection caused by infectious caused by inflammation caused by influenza caused by inhaling caused by injury caused by insufficient caused by internal caused by iron caused by it caused by lack caused by large caused by light caused by lightning caused by liver caused by loss caused by low caused by man caused by many factors caused by many things caused by mechanical caused by medical caused by microorganisms caused by misuse caused by movement caused by multiple caused by mutation caused by mutations caused by mycobacterium caused by mycoplasma caused by natural caused by natural disasters caused by negligence caused by noise caused by normal caused by nuclear caused by oil caused by other caused by overuse caused by people caused by physical caused by pollution