We all know that smoking is bad for us – extensive efforts to improve the health of people in the UK has seen smoking rates fall dramatically, as more people kick the habit. But this decrease may be coming to a halt – young women are taking up the habit again.

Nearly a third of the world’s smokers live in China – that's around 350 million people puffing on cigarettes. But that could be about to change. A ban on public smoking has been enacted in Beijing, which will see smoking outlawed in places including restaurants, offices and schools.

Brits are drinking less – a drop of 16% from 2004 to 2012 – and even 16- to 24-year-olds aren’t bingeing like they once did. Rather than boozing at the pub, they're pouring a perfect pint at home. But why have drinking habits changed? What does it mean for pubs and beer brands?

While Gen Y binge drink their way through their 20s, Gen X are quietly knocking back the chardonnays. From stressed out city workers to busy mums, alcohol helps us all wind down. But where is the line between enjoying a glass of two of wine and alcohol dependency?