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 Dementia and Incontinence: what you need to know Tell-tale signs you need a mattress upgrade Keen to win a R2 000 voucher? Good health begins in your gastrointestinal tract Live healthier Gut health » Can't lose weight? Blame it on your gut Our nutrition experts weigh in on why gut health is such an important factor in weight loss, on World Obesity Day. Sleep better » Yes, there is such a thing as too much sleep A new study confirms that too little sleep can impair your brain, but interestingly, too much sleep is also a problem.