Dr Ivan Gee is a researcher in public health at Liverpool John Moores University. Ivan's work focused on tobacco and nicotine addiction and the use of vaping in younger generations in 2023. The lads discuss if vapes are safe, if they are beneficial in some scenarios and what the science tells us about the long-term health impacts. Ivan also discusses his role in the 2007 smoke-free legislation and the recent new-generation legislation introduced in 2023.