Lung cancer remains the world’s biggest cancer killer, accounting for 20 per cent of all deaths in 2016, although among women breast cancer remains the biggest killer.
The authors add that the growing recognition of air pollution from cars and industrial sources and even household chemicals must be considered as “important risk factors” for cutting lung cancer deaths.. .
When she first lost weight, Demi's dancing did improve - but soon she was skipping classes because of the condition.
She said: “After about six months, I started to get lots of concerned messages saying I was too thin.
“I told people I had glandular fever, because I was totally in denial about this being a problem.
“My mum, Colette, and my teacher tried to bring it up and tried to get me help.
“But I would flip out and get really angry. I didn’t want anyone to speak to me about it.
“It was like there was another person in my head, who was always telling me what to do.
“It’s like a lion versus a mouse – you can’t stop the lion taking over.”