The answer is the smoking of crack cocaine. This drug is more simply known as<span> '</span>crack'<span>, and is widely considered the most addictive form of cocaine. Crack is widely used as a recreational drug, and was first widely used in US cities during the mid 1980s. The term 'crack epidemic' describes the rapid increase in its use and the resulting socio-economic problems that resulted.</span>
Viruses aren’t normally considered organisms
Peer review and repeated experimental outcomes
Mostly through bites, I think.
