Each year, Canadians spend millions of dollars on household cleaning products. Even though they are a common sight in homes and properties, most household cleaners and chemicals are dangerously toxic. To avoid serious accidents, any chemical product should be used according to the manufacturer’s instructions and stored safely, especially if there are children or pets living in the home.  Here are a number of common household chemicals that can cause severe health problems: 1. Antifreeze Swallowing antifreeze (ethylene glycol) may cause damage to the heart, brain, kidney and other internal organs. Inhaling antifreeze is not as dangerous, but may cause dizziness. 2. Bleach Being a strong corrosive substance, bleach can affect the respiratory system if inhaled. Bleach can also irritate or burn the skin and eyes. Ingesting bleach can cause pulmonary edema or vomiting and coma. Wearing rubber gloves and a dust mask when using bleach is strongly recommended. 3. Drain Clea...