Everyone of us1a headache. But do you know about headaches? What may cause them? And what should we do2we have a headache? When should we go to3a doctor?
A headache is not an illness, but it may show that4in your body is wrong. We may have5than one headache each month,
Usually a ever or some other6may cause headaches. You may get a headache when you work too hard. You may get a headache when you can't get cough7 . You may get a headache when you exercise on an empty（空的）8.
What should you do if you have a headache?
You should lie down and have a good9. You should get enough sleep. You shouldn't take10 exercise on an empty stomach.
If you have headaches often, you need to see a doctor.
