However, the FDA has no control over the products and commercial practices of this segment, so unacceptably high toxic contaminant levels from poorly designed and manufactured products are possible
How does nicotine affect mental health

According to the Tobacco 21: Model Policy backed by a consortium of national public health groups, strong MLSA policies: Define tobacco products to include current and future tobacco products, including e-cigarettes Prohibit the sale of tobacco products to persons under the age of 21 Require the tobacco retailer or their employee to verify the age of the purchaser prior to the sale Require tobacco retailers to post signs stating that sales to persons under the age of 21 are prohibited Designate an enforcement agency and establish a clear enforcement protocol Create a tobacco retail licensing program if the jurisdiction has the authority to do so under state law Dedicate funding to fully cover enforcement costs, either through licensing fees or as a provision in a state statute or local ordinance Provide authority for the state, county, or municipality to inspect tobacco retailers for compliance with MLSA 21 and a mandated minimum number of annual compliance checks for every tobacco retail establishment Provide penalties focused on the tobacco retailer or licensee rather than the youth purchaser or non-management employee

Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health
What areas of new research are needed
As the battle over reduced-risk products continues, and as digital strategies become more sophisticated, the story of tobacco marketing remains an ongoing narrative: a testament to the complexities of selling a product deeply entwined with both commerce and public welfare.