There are thousands of causes of<unk> es. A<unk>  is caused when one comes in contact with any<unk> . However, some causes are still unknown or extremely uncommon. Generally, there are two different categories in which a<unk>  may fall into. An injury due to an environmental<unk> , or an injury due to chemical exposure. An environmental<unk>  is one that is found naturally in our surroundings. (For example, molds. Mold spores may be found both indoors and outdoors.) Although it is possible that an environmental<unk>  can be produced with human intervention (such as pesticides) it is still considered natural. Injuries due to chemical exposure are often more severe due to the nature of these highly<unk>  substances. Common<unk> s that may cause a chemical<unk>  are found in consumer products, pharmaceuticals and industrial products. Environmental<unk> es Many commonly found natural substances may be<unk> . They can be found in our air, water or food supply. The top ten most common environmental<unk> s are: * PCBs *Pesticides *Molds *Phthalates *VOCs *Dioxins *Asbestos *Heavy metals *Chloroform *Chlorine
Toxic injury
Barotrauma
Secondary trauma
Rheotrauma
Blast injury
Pesticide poisoning
Microtrauma
Polytrauma