The '30 Day Gallon Challenge' sees participants drink 4.5 litres of water per day for a month.
A midlands nutrition expert is warning of the dangers of taking part in a new social media trend, which sees participants drink a gallon of water a day.
The '30 Day Gallon Challenge' has been doing the rounds on TikTok, and sees users drink 4.5 litres of water every day for a month.
Mullingar's Lucy Looby says drinking too much water can have a detrimental effect on your health, if you have heart or kidney problems.
She's been speaking to Will Faulker on Midlands Today, and says if you're thirsty, take a sip: