Dr Roberto A Sussman (PhD University of London) is a full time senior researcher and lecturer at the Institute for Nuclear Sciences of the National University of Mexico. His main research areas are General Relativity and Cosmology, but he has conducted research in other areas of Physics, including peer reviewed publications on e-cigarette aerosols. He advocates for an appropriate regulation of Tobacco Harm Reduction products in Mexico and Latin America and is active in spreading scientific information on these products, as well as advising consumers on how to counter the rampant governmental disinformation and prejudice about them.