To quit smoking we often look for alternatives that can manage withdrawal symptoms and can help us achieve our aim to be smoke-free. But did you know that even nicotine-free e-cigarettes can have immediate adverse effects on blood vessels? Yes, you read that right. A recent study led by Dr Marianne Nabbout from the University of Arkansas for Medical Sciences conducted at the University of Pennsylvania, challenges the perception of e-cigarettes as a safer alternative to traditional tobacco products.

The study involved 31 healthy adults aged 21 to 49, who were regular vapers or smokers. Participants underwent MRI scans twice: before and after using three types of products — a traditional tobacco cigarette, a nicotine-containing e-cigarette, and a nicotine-free e-cigarette. Researchers also studied a control group of 10 non-smokers and non-vapers aged 21 to 33 for comparison.

The researchers used phase-contrast MRI to examine blood flow in the femoral artery, which supplies oxygenated blood to the lower body and assessed oxygen levels in veins. A thigh cuff was used to temporarily restrict blood flow, enabling measurements of blood flow speed and oxygen levels upon release.

The results revealed significant decreases in blood flow and oxygen uptake in the femoral artery after exposure to all three types of products. Notably, nicotine-containing e-cigarettes caused the most pronounced decline, followed closely by nicotine-free e-cigarettes.

Dr Nabbout explains the potential long-term implications, stating, “If acute e-cigarette use can immediately affect blood vessels, chronic use may lead to vascular diseases.”

Both vaping and smoking contribute to reduced oxygen levels in the bloodstream which impacts blood flow, which can increase the risk of cardiovascular diseases over time. E-cigarette aerosols, even without nicotine, contain harmful chemicals that can irritate and damage blood vessels. Hence, it is essential to quit smoking as soon as possible. Here we have listed effective ways that can help you quit smoking and vaping.

- Join support groups or seek professional counselling to address triggers and develop coping strategies.

- Apps like QuitSure and Quit Genius offer tools to track progress and provide motivational content.

- Use products like nicotine gum, patches, or lozenges to gradually reduce dependence.

- Consult a healthcare provider about prescription medications like bupropion or varenicline, which can curb cravings.

- Engage in yoga, meditation, or deep breathing exercises to manage stress and reduce the urge to vape or smoke.

- Regular physical activity improves mood and reduces cravings.

- Stay hydrated and eat a balanced diet to counter withdrawal symptoms.

- Establish a quit date and inform friends and family for accountability. Celebrate milestones to stay motivated.

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