The 4 heart valves include the following: Tricuspid valve. Located between the right atrium and the right ventricle. Pulmonary valve. Located between the right ventricle and the pulmonary artery.

Kristie L. Ebi ([email protected]) is a professor in the Department of Global Health at the University of Washington, in Seattle. Jeremy J. Hess is a professor of environmental and occupational ...

Research shows that certain foods really can help with depression and stress. Here’s why—and which foods help most. Fermented vegetables like kimchi are thought to bolster your mood by ...