Most adults in Ireland need about 2 litres of fluid a day for women and about 2.5 litres a day for men , according to Safefood. Children need less, and active people or those in warm weather need more...

For years, hydration advice in Ireland came with a shrug. Sure, drink your water, but it is hardly Spain out there, is it? This summer has changed the talk. Ireland has already had record May warmth a...