The group have amassed a huge following since they appeared on ITV 1 show the X Factor in 2010 and they have performed sold-out concerts up and down the UK ever since.
However, the nationwide adoration is taking its toll on Tomlinson, who told Radio City Live: “I am actually going slightly deaf in my right ear. It’s tinnitus… something like that.”
Sources close to the heartthrobs suggested that the youngsters have been instructed to wear special hearing protection when they take to the stage and during rehearsals.
It is difficult to keep One Direction out of the news at the minute and the Daily Star reports that the group have also been told to stick to a strict healthy diet plan.
Tinnitus and other forms of hearing problems are suffered by lots of people if you or if you know anyone suffering contact Hidden Hearing.