If there were multiple values for the same toxicological endpoint (e.g., LD50), the ECHA approach was applied and the most relevant data set was selected as follows: in the context of REACH (Registration Evaluation Authorization and Restriction of Chemicals), evaluation of data quality includes an assessment of the adequacy of the information for hazard/risk assessment as well as for classification and labelling (C&L) purposes and elements of relevance and reliability
Age at initiation of smoking Most studies reported the mean or median age at initiation of smoking during adolescence, with this ranging from 12 years in Ibadan Oyo State, South-west Nigeria [55], to 21.9 years in Lagos Mainland, South-west Nigeria [72]
Contemp Med
I find it ironic that these two drugs collectively cause way more destruction, loss of life, loss of productivity than every other drug of abuse all combined, says Lukas
Every sample I smoke has a tight draw and Im somewhat concerned about the burn, but I make it out of the first third without any of the Mras going out
