Core Findings - An international research team has concluded that all modern nicotine products, including e-cigarettes, cause vascular dysfunction, increasing the risk of cardiovascular diseases [1][2] - The study assessed over 100 experimental and observational studies, focusing on "vascular function" as an early indicator of cardiovascular damage [1] - The research indicates that nicotine itself, regardless of the method of intake, damages the heart and blood vessels, contradicting the belief that health risks are solely due to harmful substances released from tobacco combustion [1] Industry Implications - There is a growing concern regarding the rapid increase in the use of modern nicotine products among adolescents, with data showing that up to 40% of 15 to 16-year-olds in some European countries have tried e-cigarettes [1] - The use of nicotine salts in these products allows for rapid absorption in the brain, leading to increased addiction potential among young users [1] - The study highlights that the risks of secondhand smoke exposure are still underestimated, with even short-term exposure to nicotine product emissions potentially harming vascular function, particularly affecting children, pregnant women, and individuals with existing cardiovascular conditions [2] Regulatory Recommendations - Researchers urge public health policies to focus on regulating nicotine products, emphasizing the protection of children and adolescents, reducing passive exposure, and enforcing age restrictions and sales regulations to achieve effective disease prevention [2]

Core Viewpoint - An international research team has published a paper indicating that all modern nicotine products, including e-cigarettes, cause vascular function damage, thereby increasing the risk of cardiovascular diseases [1] Group 1 - The study highlights the detrimental effects of modern nicotine products on vascular health [1] - It emphasizes the increased risk of cardiovascular diseases associated with the use of these products [1]