Health Care - As enacted, increases the number of members on the medical cannabis commission from nine to 10, and provides that the additional member must be a member who is a specialist in the area of substance abuse prevention and serve as a nonvoting member. - Amends TCA Title 4 and Title 68, Chapter 7.

SB 550 amends Tennessee law to require the Senate Speaker to appoint one medical cannabis commission member as a substance abuse prevention specialist, selected from a list of three names provided by the Prevention Alliance of Tennessee. This change directly affects the medical cannabis commission composition and the Prevention Alliance of Tennessee, which must submit the candidate list. The appointment must occur on or after July 1, 2025, and replaces the previous requirement for this commission role. The bill updates Tennessee Code Annotated, Title 68, Chapter 7, regarding commission membership criteria.