Two thousand years ago, the Greek doctor Hippocrates advised his patients to chew on the bark and leaves of the willow.

VOA: special.2010.12.14

The leaves should be dry in a week or two.

VOA: special.2009.06.02

President Obama leaves Sunday for Guadalajara,Mexico, where he will meet with the Canadian and Mexican leaders in a two-day North American summit.

VOA: standard.2009.08.08