Home > Lifestyle > Environmental Health > Green living What your food costs in water Did you know that it takes over 18 000 litres of water to produce just 1kg of coffee? This and some other water consumption numbers will shock you! Also read: The world is running out of water and How much water do you use a day? 0 advertisement From our sponsors Managing diabetes in the workplace Back-to-school with diabetes Live healthier Effects on your brain? » 5 ways to get more seafood into your diet Mercury in fish may raise ALS risk Is it bad for your brain if you literally never eat fish? Calling all grown-ass picky eaters! Eeewwww! » ‘Why is my cough worse at night?’ SEE: When you cough, this is what happens to your body Can you get sick if someone coughs on you? The fine saliva mist emitted by a cough remains suspended in the air for up to 10 minutes.