Headaches are one of the _____ of the medicine.

This __________ stress can lead to health problems, such as headaches and insomnia.

I have had ______ mild headaches all my life.

Headaches are one of the _______of the medicine. A: alcohol B: side effects C: vitamins

People under a lot of ______ may experience headaches, minor pains and sleeping difficulties.

I have _______ today. A: a headache B: headaches C: the headache D: headache

Headaches can __________ into certain types. A: be classified B: classify C: promote D: be connected

One of the headaches for the ______ companies is knowing how to charge for 3G. A: medical B: telecoms C: design D: broadcast

Tom's grandmother has suffered____ headaches for more than ten years. A: at B: in C: from D: on

Which of the following is accurate about cluster headaches? A: Typically, a patient experiences one or two cluster periods per year, each lasting 2 weeks to 3 months B: During an attack of cluster headache, most patients find relief by lying down and exhibit minimal movement and activity. C: The pain in cluster headaches is bilateral and is often associated with keratitis sicca D: Most patients with episodic cluster headache eventually develop chronic cluster headache