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That same morning Jessica woke to a strange sonic boom, and this sound, unheard by Karen and her husband Juan (Daniel Gimnez Cacho, leads Jessica to sound engineer Hernan (Juan Pablo Urrego) to try and uncover its origins

But now we know that e-cigarettes do produce free radicals, and the amount is affected by the flavorants added. Free radicals are unstable molecules that can cause damage to healthy cells, and have been linked to conditions like inflammation, heart disease and cancer

To learn more, read our guide to NRT and other quitting methods here.

The Air star stepped out in a light brown button down shirt with rolled up sleeves

Watch as leading experts combat common misconceptions around the use of e-cigarettes