Scientists: E-Cigarettes Could Save Lives

Scientists say that if all smokers in the world switched from cigarettes to electronic cigarettes, it could save millions of lives.

In the UK there are currently about 100,000 deaths per year attributable to smoking, worldwide it is estimated to be more than five million.

Now researchers are hopeful that an increasing use of e-cigarettes could prevent some of these deaths.

But some groups warn that e-cigarettes could normalise smoking.

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