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London, June 20 — Actor Daniel Radcliffe was forced to cancel his commitments and seek medical attention after his headaches became extreme.

The 22-year-old was diagnosed suffering from a condition known as cluster headaches which causes intense pain on one side of the head and is experienced by just one per cent of the population, reports dailystar.co.uk.

"I was in the middle of these weird things called cluster headaches. It's very rare evidently, but it's exceptionally painful. I was taking 12 strong painkillers a day and going, 'Why do I still have a headache?'," he said.

IANS

A wizardly lightning bolt to the head is well-known to cause cluster headache in susceptible individuals.  I wish someone would go all expecto patronum on my CH! 

If more celebrities that have the media's attention would come forward about this condition, maybe the media would give cluster headaches some attention.

Many people avoid sharing their stories of suffering, especially when the malady is poorly understood, as is ours. 

Thank you all for your patience with us who are finally finding out that there are others out there.  Lots of bright people on this site, and that bodes well for CH sufferers. 

TJ