“This is a significant step forward for the American College of Cardiology,” said Dr. Bene Alhassan, who will present the study at the American College of Cardiology’s annual scientific session.

“We don’t want to wait too long until we finally find out that it could be harmful. By then, a lot of the harm could have already been done.”

He also encouraged people not to use e-cigarettes as a means to quit smoking, as many people continue to use e-cigarettes after quitting cigarettes.

A study last month from University College London also linked e-cigarettes to potentially cancerous changes in cheek cells, damaging them in a similar way to smoking, which has previously been linked to lung cancer. It turned out to give.

Around 4.5 million Brits smoke e-cigarettes, but the government only recommends using them as a means to help people quit smoking. However, this trend is becoming increasingly popular, especially among young adults and teenagers.

According to the charity Action on Smoking and Health, around 11% of 18-24 year olds use e-cigarettes regularly, and 8% of 11-17 year olds do so regularly.

Last month, Chancellor Rishi Sunak promised a raft of measures to crack down on cigarettes and e-cigarettes to “stop children becoming addicted to nicotine”.

These include anti-smoking laws that would mean anyone under 15 this year will no longer be able to legally buy cigarettes in the UK, and proposals to ban single-use e-cigarettes, different flavors and colorful packaging.