This study is to see if a special type of ultrasound can detect fluid in lungs, with the ultimate goal that maybe this ultrasound technique can be used in the future to help patients with heart failure.

The purpose of this research study is to learn how people's experiences at work relate to their health.

The purpose of this study is to understand what type of little cigar and cigarillo images with text statements are the most effective. We will show participants different images with text statements about little cigar and cigarillo products and ask questions about them.

The goal of this study is to evaluate medical student experiences and knowledge after participating in N-648 refugee clinics.

The purpose of this research study is to measure whether people are biased in terms of how quickly or slowly they respond to members of different social groups.

Volunteers will dive in the Duke hyperbaric chamber and ultrasound devices will be used to monitor them for bubbles and anatomical imaging before, during and after the dive.

The study will investigate how selected religious student organizations provide spiritual and social/emotional supports to undergraduates as they navigate the academic and social challenges inherent in college.

The purpose of the study is to understand how causing certain cognitive states and using background contexts affects new learning.

The proposed study will fill critical gaps regarding which characteristics make LCC warning labels most effective and provide needed evidence on how LCC warnings influence LCC behavioral intentions. Our overarching goal is to develop effective LCC warnings that reduce cancer and other health risks.

The purpose of this study is to understand how employees interact with each other at work.