[13] In 1955, Heinz Fraenkel-Conrat and Robley Williams showed that purified TMV RNA and its capsid (coat) protein assemble by themselves to functional viruses, indicating that this is the most stable structure (the one with the lowest free energy)
For the first time, the FDAs leadership articulated harm reduction not as a controversial compromise, but as a scientifically grounded, public-healthaligned strategy
In a similar experimental study, the application of aerosol extracts from electronic cigarettes on vascular endothelial cells for at least 4 hours induced a significant escalation in reactive oxygen species generation, causing DNA damage and reducing cell viability in a dose-dependent manner
Nicotine is addictive and its one of the reasons why people smoke
The ICD-10 code for tobacco dependence is F17.210 for cigarette smokers and that single answer hides a category with more structural quirks than any other substance family