We need at least 1.5 to two litres (six to eight cups) of fluid a day, not including caffeine-containing beverages such as regular tea, coffee or cola. It is important to drink consistently across the day and remember if you are thirsty, you have waited too long between drinks.

Try having a drink before each meal and at snack times as it goes down easier on an empty stomach.

» Water (keep a water bottle with you)

» Try a squeeze of lemon or lime in cold or hot water

» Put a couple of pieces of cut-up fruit in a bottle of water in the fridge

» Try some plain mineral or soda water. You can add ¼ natural fruit juice or a squeeze of lemon/lime

» Herbal or green tea