If science finally manages to come through with that time machine and you head back to 1970s Australia, whatever you do, don’t get in a shout with someone at the pub.

All indications are they will drink you under the table.

Certainly, compared to today, people in 1970s Australia drank so much beer it’s hard to envisage how anything got done.

We drink around 72 per cent as much as alcohol per person as we did back then, but only 40 per cent as much beer.