<img src='https://i.cbc.ca/1.4667103.1526571191!/cpImage/httpImage/image.jpg_gen/derivatives/16x9_460/congress-opioids.jpg' alt='Congress Opioids' width='460' title='This Aug. 15, 2017 file photo shows an arrangement of pills of the opioid oxycodone-acetaminophen in New York. Congressional investigators say wholesale pharmaceutical distributors shipped hundreds of millions of prescription opioid pills to West Virginia, a state disproportionately ravaged by deaths caused by the addictive drugs. Now, lawmakers want executives of those companies to explain how that happened. ' height='259' /> Long-term care residents were taking an average of 9.9 different classes of drugs compared to 6.7 for other seniors, the Canadian Institute for Health Information reports.