<qa>  How many deaths are there each year in Canada?Each year in Canada, there are approximately 200,000 severe adverse drug events, claiming 10,000 to 22,000 lives, and costing 13.7 to 17.7 billion. Physicians cannot predict whether a patient will gain the desired benefit from a prescribed medication or whether they will experience harmful side effects. Genetic tests may reduce this potential harm for many medications; however there is currently no way of incorporating genetic information into routine prescribing processes. 