Do you have cardiovascular disease risk factors? Do you sit too much? Help researchers learn more about the most effective strategy for interrupting sitting! If you are 45 years or older, you may be able to take part in a research study to find out if interrupting sitting with walking or pedaling reduces cardiovascular disease risk.

Nutrition is not one-size-fits-all. Nutrition, or the foods we eat, can help prevent and fight conditions such as high blood pressure, diabetes, stroke, and more. However, we all live in different environments, we come from different cultures, and each of us is starting from a different place with our health. Additionally, everyone breaks down food differently. Join the Nutrition for Precision Health research study to help researchers learn how our genes, cultural backgrounds, and environments affect our bodies' responses to food. Compensation provided.

We are looking for women between the ages of 18-45 to join a national health study to help us understand the impact of HIV on women's lives and bodies. Both women living with HIV and women without HIV are invited to take part.

We are looking for people who are between the ages of 30-70 to join a national health study to help us better understand the impact of chronic health conditions on people living with HIV. Both people living with HIV and people without HIV are invited to take part.

During puberty, adolescents grow and change a lot which may make life seem more stressful and emotional. Male and female adolescents experience the changes associated with puberty differently, possibly because of different responses to changes in hormones, including testosterone and estrogen. We are interested in learning more about the role of these hormones in regulating emotional processing and mood symptoms, and whether a mobile training program can help improve mood during the pubertal transition. Participation is 8 weeks with two monthly follow-up surveys. Compensation provided.

Have you had ACL reconstruction in the past 1-3 years? You may be able to take part in a research study to help us learn more about how the type of shoes you wear influences your walking mechanics.

We are doing research on large language models such as ChatGPT, Bing AI, and Google Bard. We are interviewing and conducting diary studies with information professionals (e.g. finance, law, IT, business, academia, journalism, and consulting) who use these systems in their work. If you're open to sharing your experiences with these tools, you can choose to participate in a 10-workday diary study followed by an interview which could last between 30 to 90 minutes. As a token of our appreciation, participants will be offered a $60 Gift Card or payment if you choose to complete both the diary study and the interview. We are look forward to hearing from you!

If you are a healthy adult, you may be able to take part in a research study where you'll give us samples of your blood and saliva. In this study, we want to find out if we get similar results when we measure the same biomarkers from your blood and your saliva.

We're all different. But when we visit the doctor, our treatments are often the same. We think one day health care should be tailored for you. This is called precision medicine. And research can help us get there. Taking part in the All of Us Research Program involves sharing information about your health, habits, and what it's like where you live. If you are 18 or older and live in the United States, you may be able to take part!

Are you experiencing symptoms of menopause? Have you noticed a change in your mood during your menopausal transition? If you have missed at least two periods, you may be able to take part in a research study. In this study, we want to learn how mood and stress may affect risk for heart disease in women during menopause.