
E-Cigarettes Labeled 'Clear' Linked to Dangerous Spikes in Blood Pressure and Heart Rate
2025-08-18
Author: Wei Ling
Shocking Health Risks Associated with 'Clear' E-Cigarettes
Recent research led by Yale University and Boston University has uncovered alarming evidence that e-cigarettes marketed as "clear" are linked to significant increases in blood pressure and heart rate. These products, laden with synthetic cooling agents and enticing flavors, may pose greater health risks compared to their non-clear counterparts.
The Allure of Flavored E-Cigarettes—Targeting the Youth
Flavored e-cigarettes have captivated the younger demographic, raising concerns among health officials. In an effort to combat this trend, Massachusetts implemented a statewide ban on flavored tobacco products in June 2020, aiming to restrict access and reduce usage among youth. However, the introduction of the term "clear" has sparked confusion, as it lacks a regulatory definition.
Circumventing Restrictions: The Introduction of 'Clear'
After the flavor ban, sales data revealed the emergence of products labeled "clear/other cooling" in Massachusetts, featuring synthetic cooling compounds like WS-3 and WS-23. These agents stimulate cooling sensations without the minty aroma typical of menthol, potentially misleading consumers and undermining the flavor restrictions.
Study Findings: A Clear Danger for Users
The study, published in the Journal of the American Heart Association, assessed participants aged 18 to 45 over a period of four years. Users of "clear" e-cigarettes exhibited more dangerous acute increases in systolic and diastolic blood pressure, and mean arterial pressure, compared to non-clear users and non-users.
Chemical Composition Under the Microscope
Analyzing 19 disposable "clear" e-cigarettes revealed that all contained the synthetic coolants WS-23 and/or WS-3, along with additional flavorants like menthol and various others. Notably, nicotine levels in these devices ranged from 28 to 53 mg/g, raising concerns about both their addiction potential and health risks.
Call to Action: Need for Stricter Regulations
The study concludes that the presence of synthetic cooling agents in these products not only undermines the flavor ban but also highlights the urgent need for regulatory measures to protect public health, particularly for adolescents and young adults. Health experts urge immediate attention to monitor these products closely and consider stricter regulations to maximize the effectiveness of flavor bans.
With such grave findings, the public must stay informed about the emerging risks of e-cigarettes labeled as "clear"—a potential wolf in sheep's clothing.