; (2) upon the completion of the initial study pursuant to paragraph (1) and upon each update to the study, to prepare or update a report on the results of such study and submit such report to the Congress; and (3) not later than 30 days after the date of submission of the initial report under paragraph (2), develop and publish best practices on data collection under subsection (e). (b) Study considerations The study pursuant to subsection (a)(1) shall consider the effects of State legalized marijuana programs, including yearly rates and trends over the course of the study under such subsection, with respect to the following: (1) Revenues and State allocations (A) The monetary amounts generated through revenues, taxes, and any other financial benefits. (B) The purposes and relative amounts for which these funds were used. (C) The total impact on the State and its budget. (2) Medicinal use of marijuana (A) The rates of medicinal use among different population groups, including children, the elderly, veterans, and individuals with disabilities. (B) The purpose of such use. (C) Which medical conditions medical marijuana is most frequently purchased and used for. (3) Substance use (A) The rates of overdoses with opioids and other painkillers. (B) The rates of admission in health care facilities, emergency rooms, and volunteer treatment facilities related to overdoses with opioids and other painkillers. (C) The rates of opioid-related and other painkiller-related crimes to one’s self and to the community. (D) The rates of opioid prescriptions and other pain killers. (4) Impacts on criminal justice (A) The rates of marijuana-related arrests for possession, cultivation, and distribution, and of these arrests, the percentages that involved a secondary charge unrelated to marijuana possession, cultivation, or distribution, including— (i) the rates of such arrests on the Federal level, including the number of Federal prisoners so arrested, dis­ag­gre­gat­ed by sex, age, race, and ethnicity of the prisoners