If you have done one or more of the following you have been exposed to Dihydrogen Monoxide:

• Swam in ocean,sea, or lake
• Drank water from a public place
• Consumed produce
• Used pharmaceuticals such as cough medicine or other liquid medicines
• Used shampoo,deodorants, or shaving cream
• Drank tea or coffee from a coffeehouse
  
  

  There are many more ways to be exposed to DHMO, this is just a shortened list