 
 The Who's frontman Roger Daltrey has revealed that he has struggled with health problems when touring.
Daltrey, who recently underwent an operation to remove a pre-cancerous growth, told Rolling Stone he struggled to understand how touring had affected his health.
"I was having terrible trouble hearing what I was singing and it did get to me," he said. 
"In fact, I've been suffering for quite a few of the previous tours. I never understood that if you sweat as much as I used to every night, you drain your body of salts." 
"So I got very, very, seriously ill. I got to the stage where I was almost hospitalised with serious problems."
Daltrey also revealed that his band mate Pete Townshend was having problems with his hearing. The guitarist has been a long-time sufferer from tinnitus.
The Who - live photos
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