The purpose of this study is to investigate the reliability of multiple body composition techniques in a multi-ethnic population.

Are you pregnant? Are you high risk? We know it is stressful to be pregnant when you are high-risk. We are trying to learn more about how different aspects of your life - including activity, diet, environment, stress level, and social support affect pregnancy outcomes. Compensation provided.

Are you currently looking for work? Do you have a lot on your plate and are feeling very stressed or worried? If you are currently seeking employment and are interested in how the brain responds to stress, you may be able to participate in a research study to find out how stress affects the brain. Compensation is provided.

Study is being conducted to ubderstand the effectiveness of ALXN2050 compared with placebo in the treatment of generalized MG (gMG) based on improvement in the Myasthenia Gravis Activities of Daily Living (MG-ADL) total score

In this study, we want to learn more about how you feel about changes in Durham and how you feel about your own neighborhood.

The purpose of this study is to examine perceptions of intelligence in teachers and students as a function of the local context. This may help to understand in student beliefs and improve student performance.

Do you have gestational diabetes? Women with gestational diabetes can and do have health pregnancies and healthy babies, but it can cause problems for your baby. We are doing this study to learn the best delivery timing for women with gestational diabetes to improve the baby's health at birth. Compensation is provided.

This study is interested in how speakers of different languages respond to opinion questions in online survey studies. We are asking Arabic and/or English speakers to answer questions in a survey about a variety of topics, including: science and technology; happiness and well-being; government and public institutions; and attitudes and stereotypes. Additionally, we are asking questions about how people use language in their daily lives. This research will help inform how we design survey questions for international studies that span multiple countries, languages, and cultures.

Are you an African American who has recently been diagnosed with breast cancer? Have you ever considered participating in a clinical trial? If so, you may be able to join a research study that seeks to understand the best ways to share information about clinical trials. Compensation will be provided.

The purpose of this research study is to learn more about women's experiences with birth. This will help us to learn the best ways to study birth experiences in the future. Compensation will be provided to participants.