More than 80% of all drug overdose deaths reported across the country in the first half of 2019 were linked to a single type of drug.<br />According to UPI, the US Centers for Disease Control and Prevention reported Thursday that opioids were linked to nearly all of them.<br />All of the 10 most common drugs or drug combinations found in overdose-related deaths during the first six months of last year included at least one opioid.<br />In all regions, overdose deaths involving opioids without stimulants were most common.<br />That was followed by deaths involving opioids and stimulants, and deaths involving stimulants without opioids.<br />Still, the CDC estimates that between 1999 and 2018, more than 750,000 Americans died following a drug overdose.