VOA慢速英语:Have a headache? You are not alone

短语讲解：

1. Most migraines react at least partly to existing medicine. And most people can use existing medicine without experiencing bad effects. Doctors sometimes use caffeine to treat migraine headaches.

at least 至少
例句：Can we at least try?
我们至少试试看吧？

2. The Mayo Clinic also has advice for women who suffer from migraines.

suffer from 忍受,遭受
例句：Do you suffer from the strain of modern life?
你苦于现代生活的紧张吗？

3. Doctors sometimes order estrogen replacement for women who are no longer able to have children.

no longer 不再，已不
例句：That appears to no longer be the case.
这似乎已经不再成立了。

4. Studies have shown that activation of the trigeminal nerve may come from a part of the brain called the hypothalamus.

come from 来自
例句：Did these books come from your store?
这些书来自你的书店吗?