What should we do about the rise in children vaping?

Madeleine Finlay speaks to former Guardian health editor Sarah
Boseley about the rise in vaping among under-18s and what can be
done to discourage more children from taking up the habit. She also
hears from Prof Linda Bauld about the impact of vaping on young
people. Help support our independent journalism at
theguardian.com/sciencepod