It is from the outstanding policy paper Tobacco harm reduction: how rational public policy could transform a pandemic, by David Sweanor, Philip Alcabes and Ernest Drucker, published in the International Journal of Drug Policy in 2007 (available here): "The relative safety of ST and other smoke-free systems for delivering nicotine demolishes the claim that abstinence-only approaches to tobacco are rational public health campaigns...Applying harm reduction principles to public health policies on tobacco/nicotine is more than simply a rational and humane policy
However, authors and writers in history have a strong association with smoking
While e-cigarettes are considered less harmful than regular cigarettes (the aerosol generally contains fewer toxic chemicals than the 7,000 found in regular cigarette smoke), that doesnt mean they are safe, according to the CDC
(The video below of Figones Olive Oil Pressing at Factory is a good example of what todays mechanical, expeller pressing system looks like on a relatively small scale.) Double extraction
Holy cow guys, I just noticed Chance's question