; or (B) use by registered manufacturers to manufacture drugs containing marihuana or cannabidiol that have been approved for use by the Commissioner of Food and Drugs under the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 301 et seq.). . III Doctor-patient relationship 301. Doctor-patient relationship It shall not be unlawful for a State-licensed physician to discuss— (1) the currently known potential harms and benefits of marihuana derivatives, including cannabidiol, as a treatment with the legal guardian of the patient of the physician if the patient is a child; or (2) the currently known potential harms and benefits of marihuana and marihuana derivatives, including cannabidiol, as a treatment with the patient or the legal guardian of the patient of the physician if the patient is a legal adult. IV Federal research 401. Federal research (a) In general Not later than 1 year after the date of enactment of this Act, the Secretary of Health and Human Services, in coordination with the Director of the National Institutes of Health and the heads of other relevant Federal agencies, shall submit to the Caucus on International Narcotics Control, the Committee on the Judiciary, and the Committee on Health, Education, Labor, and Pensions of the Senate and the Committee on Energy and Commerce and the Committee on the Judiciary of the House of Representatives a report on— (1) the potential therapeutic effects of cannabidiol or marihuana on serious medical conditions, including intractable epilepsy; (2) the potential effects of marihuana, including— (A) the effect of increasing delta-9-tetrahydrocannabinol levels on the human body and developing adolescent brains; and (B) the effect of various delta-9-tetrahydrocannabinol levels on cognitive abilities, such as those that are required to operate motor vehicles or other heavy equipment