Gemma woke up aching and thought it was just her intense class, then she struggled to get out of bed and her pee 'turned to ...

Gemma Underwood, 41, found she was unable to move her upper body the morning after an intense work out and was later rushed ...

A KARATE student thought she was just sore after an intense class – only to discover it was a deadly condition breaking down ...

Gemma Underwood, 41, is an orange belt in karate, and said she felt sore after an “intense” session in March, according to ...

It can also cause people to feel very thirsty ... This occurs due to sugar excretion in the urine, rather than hormonal imbalances. Dark yellow urine may indicate that a person is mildly dehydrated.

“By the time that you're starting to experience this with urine—whether you’re having little or very dark urine—it's a sign you've already gone too far,” says Rothstein. In Thornham’s ...