Drink measurements
The alcoholic experimental drinks contained a dose of vodka (Smirnoff Red Label) equivalent to 0.65g of alcohol per kg of body weight, plus a no-sugar diet lemonade mixer (Schweppes Slimline) to make up a total beverage of 400 ml. Placebo drinks consisted of 400 ml of mixer of non-alcoholic vodka (Strykk Not Vodka) and the same no sugar diet lemonade.