The critical factor was the date of first use.
Age of first use was similar across study sites.
The review will include the question of first use of nuclear weapons.
And now to the etymologist's delight: discovery of first use, deep in American history, never before revealed to general lexicographers.
The United States and its NATO allies continue to espouse a policy of first use of nuclear weapons.
The average age of first use is 12. "I'd soak a sock with hairspray," the book quotes one teenager, "put it over my face, and breathe deep.
Forty or fifty years ago heroin addicts were overwhelmingly male, disproportionately black, and very young (the average age of first use was 16).
This study compares lifetime prevalence and age of first use (onset) for alcohol, cannabis, and other drugs in six international sites.
The argument concerning the missile defense, Putin accusing USA of the demonstrations plus Russia's new more aggressive attitude reflected e.g. in the changes in Russia's military doctrine (possibility of first use of nuclear weapon).
Drug officials say that New Jersey does not have a particularly bad Ecstasy problem, though the age of first use has been dropping, but say that the database is a proactive measure.
Reported pain at the time of first use of tampons was associated with an increased risk of chronic lower genital tract discomfort later in life (odds ratio, 2.4; 95% confidence interval, 1.1 to 4.9).
