This is the first large, population-based study evaluating liver transplantation in the United States. Marked ethnic differences in receipt of transplants should be examined further, and reasons for these disparities clarified.

The United States and Canada must immediately reduce their greenhouse-gas emissions to slow the damage.

The Coast Guard wants to make its workforce reflective of the population of the United States,

This is the first study with national data on the prevalence of ED in the United States. ED varies by age, with 5 percent of men aged 20 to 40 having ED, to 70 percent of men 70 and older.

This is the first study with national data on the prevalence of ED in the United States.

We are very concerned in Hawaii about the fact we are the western doorway to the United States. We see a large number of visitors ... and a good proportion of them are from the Far East where we know a good number of emerging diseases are originating.