E-cigarettes can help quit smoking, says London-based study By IANS| Posted by Rasti Amena | Published: 13th March 2021 12:36 pm IST Smoking Representational Image (Twitter) London: A new study published by King’s College London highlights the ‘clear benefit’ of using e-cigarettes daily in order to quit smoking. The study also supports their effectiveness when compared to other methods of quitting, including nicotine replacement therapy or medication. Although the number of people in England who smoke has continued to fall in recent years, tobacco smoking is still the leading preventable cause of premature death and disease – killing nearly 75,000 people in England in 2019.