Young dancer thought headaches and fatigue were from gruelling practice but she actually had cancer
![Young dancer thought headaches and fatigue were from gruelling practice but she actually had cancer](https://i2-prod.mirror.co.uk/incoming/article32897830.ece/ALTERNATES/s615/0_A-young-dancer-who-put-her-tiredness-and-headaches-down-to-five-hours-of-gruelling-practice-each-day.jpg)
Libby Sunter, 20, experienced headaches, fatigue and blackouts while studying musical theatre at university - and thought the symptoms came from dancing several hours a day