To the Editor: In the June 20 issue of the Journal, Schwartz and Relman present an article on acid–base disorders in which they criticize some newer parameters used in their evaluation. A criticism by ...

To define "steady-state" chronic hypercapnia in man, we studied 20 patients with stable carbon dioxide tensions from 34 to 103 mm of mercury and with no apparent complicating disorders. The whole-body ...

Anyone who has experienced intense, anxious fear knows how frightening it can feel. Panic attacks are shockingly common. The lifetime prevalence of panic attacks is 22.7 percent—that is more than one ...

Panic disorder is a syndrome characterized by spontaneous and recurrent episodes of incapacitating anxiety. It typically emerges during adolescence or early adulthood and can take an exhausting ...

Find out why sibling controlled data show pregnancy acid-suppressive medication does not increase children neuropsychiatric ...