What are opioids?
Everything you need to know
HEALTH opioid crisis
The opioid crisis has been affecting Americans and Canadians since late 90s. Following the news of pop star Demi Lovato's alleged drug overdose, it is evident that the epidemic is still not over and affecting many people today. This includes A-list celebrities.
But what exactly are opioids? Which drugs are considered a part of the opioid family? And how do people get addicted? Click through this gallery for everything need to know about the substance.
MUSIC Music down under
The 1980s: Top 10 musicians down under
How America's biggest companies were founded
CELEBRITY Neil Young
Are Neil Young and Daryl Hannah married? How this Hollywood couple kept it quiet
Under the sea: Mexico's colorful coral reefs
Vlad the Impaler and the legend of Dracula
The most inventive universities in the world