Ever suffer from a bad headache and wonder why you were experiencing one so often? Well popping a painkiller every now and then to soothe that throbbing head is fine but a constant or severe headache could mean much more. Here is what Dr Arjun Srivatsa renowned neurosurgeon has to say about the condition and why you should pay more attention to it: Causes aplenty A headache can be caused by localised conditions like a toothache infection in the ear problems or infections within the nose and other structures on the face intracranial problems (problems within the skull) which are