The doctors were very reassuring.He had just had a collapse.He didn't have frequent headaches.

医生的话很让人欣慰，他前不久晕倒了一次，没有频繁的头疼。

Doctors say frequent headaches and migraines are among the most common childhood health complaints, yet the problem gets surprisingly little attention from the medical community.

医生说，频繁的头疼和偏头疼是最为常见的儿科疾病之一。至今这个问题还没引起医学界的足够重视。